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How to improve the safety management of cylinders?

Why the acetylene cylinder must be kept upright? 1.When the acetylene cylinder which contains filler and solvent (acetone) and lays on the floor for usage, the acetone is easily flow out with acetylene gas, this would increase the consumption volume of acetone and reduce the burning temperature, and in any case backfire occurs it might cause explosion of acetylene cylinder. 2.When the acetylene cylinder is laid on the floor, it is easy to roll, and when it hits another cylinder or something, the collision might cause accident. 3.The acetylene cylinder equips with anti-vibration ring, the purpose is to avoid collision of cylinders during unloading, transportation and usage, the ring is made of rubber and it is electrical insulator, when the cylinder is laid on the floor it is same as laying on insulator, the static generated on the cylinder can not spread to ground and produce static sparks. And when acetylene gas leaks, it would be easily cause combustion and explosion accidents. 4.When in use, the acetylene cylinder equips with regulator and fire arrestor connected with a hose, and if the cylinder is laid on the floor, it might break the regulator easily or pull the arrestor off the hose, and that will cause acetylene leakage, or even combustion and explosion, based on the reasons above, the acetylene cylinder must be placed upright. Why excess pressure must be reserved in the acetylene cylinder? As the explosion limit of acetylene is quite low, even a little air mixed in might create explosion, so there must be an regulator to release pressure and prevent the air from mixing into the cylinder, in order to reduce the risk of explosion of next time. And with the regulator, it calls for excess gas inside the acetylene cylinder, gas cylinders and hydrogen cylinders. It is the same reason   How to improve the safety management of cylinders? Non-safe management of storage Do not lay the acetylene cylinder on the floor. The acetylene cylinder doesn’t equip with backfire preventer.   How to improve the safety management of cylinders? Solution of cylinder safe storage   Safe storage one/two/three/four cylinder     Ventilation inside the cabinet          Flip board at the bottom   The ZOYET cylinder storage cabinet equips with ventilation system and alarm system, you can link them on with on simple connection, within 5 seconds of alarming the ventilation would be started and reduce the density of flammable gas to the pre-set value of the chip.     Auto alarming system                    Anti-explosive gas detector   The ZOYET gas cylinder storage cabinet is double layer structure and equips with delicate gas detector, the sampling is taken by air diffusion and when density reaches the pre-set value, the alarm will start automatically.  

2024

03/27

How to manage laboratory precursor chemicals?

Regulate the management of precursor chemicals in laboratories, prevent precursor chemicals from being used in the manufacture of drugs, and prevent safety and environmental pollution accidents. 1.The list of precursor chemicals shall be stored in the special chemical storage cabinet, and the corresponding chemicals shall be purchased and stored as little as possible without affecting their use. 2.The storage cabinet of precursor chemicals implements a double-lock storage system, and two people in the using department hold a key respectively. 3.Recipients and custodians should understand the physical and chemical properties and safe operation methods of the corresponding chemicals. 4.After the precursor chemicals arrive at the unit, the safety management personnel must be present to supervise the unloading and warehousing. After the quantity is checked and correct, the deliverer, the custodian and the safety management personnel shall sign the registration book of precursor chemicals respectively. 5.Two persons holding the key must be present at the same time, and truthfully record and sign the quantity and purpose of use. The corresponding records of storage and use must be formed into a ledger and bound separately for reference. The corresponding records are kept for at least 2 years. 6.Clear, comprehensive and accurate account registration. The custodian and safety management personnel shall check the quantity of use and inventory in the month of each month, and sign the inventory record on a regular basis every month for confirmation. If the quantity is found to be inconsistent in the inventory, it should be reported to the laboratory department manager and the user for review immediately; If found stolen should immediately report to the public security organs. 7.The warehouse or storage cabinet should be kept dry and ventilated, and the items should be neatly placed and easily accessed. Do not eat or drink in places where the chemicals are used or stored. 8.Fire fighting facilities in chemical storage areas should be safe and effective, and custodians and users should be proficient in the use of fire fighting equipment to prevent fire accidents. 9.Personnel who use the corresponding chemicals must be equipped with corresponding labor protection articles. 10.When purchasing the corresponding chemicals, it is necessary to go through formal channels, the supplier of the corresponding chemicals must comply with the relevant laws and regulations, and the corresponding chemicals are legally and lawfully delivered to the company, and the company personnel are strictly prohibited to pick up the goods from the door. 11.The management personnel of the use and storage of the corresponding chemicals must undergo corresponding training and be familiar with the nature and safety protection knowledge of dangerous goods before operation. 12.The waste water, waste gas, waste packaging (containing or adhering to the corresponding chemicals) generated in the process of use must be treated and discharged in accordance with the relevant provisions of the State, and the wastes that can chemically react with each other into new hazards cannot be mixed together; The packaging of the corresponding chemicals shall be preferentially recycled or reused by the chemical supplier, and the enterprise shall dispose of the solid waste in accordance with the Law of the People's Republic of China on the Prevention and Control of Environmental Pollution by Solid Waste. 13.Before handling the Verification Certificate of Precursor Chemical Enterprises, it is strictly prohibited to purchase corresponding chemicals without authorization. The safety of precursor chemicals is a very important part of laboratory safety management. It is necessary to strictly abide by rules and regulations, implement all aspects of precursor chemicals management, and properly use and dispose of precursor chemicals to ensure safety.   Related Product: The storage of precursor chemicals can be scientifically selected according to different storage conditions of Intelligent safety cabinet, Narcotic chemical storage cabinet, outdoor chemicals storage container and other products.   Intelligent safety cabinet   The cabinet is made of high quality CRS with long working life and good fire resistance capacity. Double locking system (Digital lock+ Key lock) to enhance the management security. The cabinet inner is with white PP board and an adjustable air inlet at the side bottom. Stepped PP shelves with vent holes. Ventilation systems on top of the cabinet. The intelligent safety cabinet is designed to effectively store and manage massive medicines and specimens. With good corrosive resistance capacity.   Narcotic chemicals storage cabinet     The cabinet is made of high quality CRS plates, durable lead-free epoxy powder-coat finish provides excellent chemical resistance capacity. Double locking system (Digital lock+ Key lock) to enhance the management security. Comply with OSHA standard. Equipped with adjustable legs and Grounding wires. Dual Ventilation holes with flame arrestors. Widely used in chemical industry, public security, safety supervision and other related industries and laboratory applications.   Outdoor chemicals storage container The full series products have CE certificate and Europe explosion-proof certificate(EN 60079).We provide professional solutions for the outdoor storage of hazardous chemicals.

2024

03/20

Packaging new materials- hazardous chemical solutions

At present, the packaging industry has formed an independent, complete and comprehensive industrial system with paper packaging, plastic packaging, metal packaging, glass packaging, packaging printing and packaging machinery as the main products. The rapid development of the packaging industry has basically met the needs of commodity exports, and has also played an important role in protecting goods, facilitating logistics, promoting sales and service consumption. Personal protective equipment, such as protective gloves, goggles, and respirators, must be worn during production operations to prevent direct physical contact with chemical substances. Identify and classify hazardous wastes generated from production operations, and select appropriate treatment methods. Hazardous waste collection facilities should be able to quickly and effectively control pollution and accident risks, and loading, marking and packaging should be standardized during transportation. With the rapid development of economy, the quantity of hazardous waste is increasing, and the difficulty of treatment and management is increasing. On the other hand, the economic development has also brought about the progress of funds and science and technology, which helps to improve the level of hazardous waste treatment and management.   Project case: The packaging material of this project is polyester (referred to as PET) PET is the raw material for the production of new packaging materials, which is mainly used in the production of carbonated beverage bottles, hot filling bottles, beer bottles, mineral water bottles, liquor bottles and other packaging materials. Packaging Dangerous and harmful factors such as electric shock, fire, explosion, poisoning and suffocation exist in the process of storing hazardous waste materials such as waste oil generated by daily operations.ZOYET has set up a shelf type hazardous waste temporary storage container in the open space on the southwest side of the plant for safe and compliant storage of hazardous waste materials.   At the same time, reasonable and feasible safety countermeasures and suggestions are put forward to provide reference and safety basis for packaging in terms of improving safety degree and safety management level.   Configuration system: ventilation system, temperature control system, lightning protection system, anti-static system, anti-leakage system, explosion-proof lighting system, explosion-proof emergency system, explosion-proof combustible gas detection system, VOC detection system, explosion-proof smoke detection, explosion-proof temperature detection, intelligent monitoring system...... This project is mainly engaged in research and development, design, production, sales and service of industrial paper packaging, plastic packaging and intelligent packaging systems.   Storage items: ink, thinner, ethyl acetate, isopropyl alcohol, etc The shelf type explosion-proof temporary storage container designed and produced by ZOYET can meet the storage capacity of 6T. The outer container frame must be mainly weather-resistant steel plate + insulation layer structure (fire rating: A1), and the cabinet body has anti-corrosion function. Cabinet with: EU EN 60079 explosion-proof certification.   Configuration systems: ventilation, purification system, temperature control system, anti-leakage system, explosion-proof lighting system, fire emergency system, anti-static system, lightning protection system, intelligent monitoring system......   Related products:Outdoor chemicals storage container We provide comprehensive solutions for the life cycle of hazardous chemicals, from their entry into the relevant sector to the generation, temporary storage and recycling of hazardous waste. According to different categories and storage needs, we provide a variety of targeted security storage cabinets and other equipment to achieve scientific classified storage.

2024

03/18

Gas cylinder cabinets store knowledge

As a cabinet for storing and transporting gas, gas cylinders have high pressure and danger, so certain requirements and regulations must be followed when stored and used to ensure safety. Here are some basic requirements for gas cylinder storage.   Gas cylinders should be stored in a well-ventilated, dry and non-combustible place. The storage area should be away from open flame, high temperature and flammable materials, and avoid sun and rain. At the same time, the storage area should have fire prevention facilities, such as fire extinguishers, in order to respond to sudden fires. Cylinders should be stored vertically, not horizontally or upside down. The bottle should be kept at a certain distance from the ground to avoid moisture or mechanical damage. The bottom of the bottle should be placed on a flat ground to ensure its stability. The storage area should be divided according to the type and nature of the gas cylinder and clearly marked. Different types of cylinders should be stored separately to prevent confusion or cross-contamination. The unit storing the gas cylinders shall establish storage records, including the type, quantity, storage place and storage date of the gas cylinders. Check the cylinder regularly to ensure that it is intact. If abnormal conditions such as deformation and gas leakage are found in the cylinder, they should be dealt with in time.   Protective measures should be set up in the area where the gas cylinder is stored, such as the installation of anti-collision columns, the setting of protective guardrail, etc., to avoid collision or falling of the gas cylinder. It is prohibited to store gas cylinders in crowded areas, such as offices, dormitories and other places. At the same time, it is also prohibited to store gas cylinders in flammable and explosive places, such as oil depots, chemical plants and other dangerous areas.   Before using the gas cylinder, it should be inspected to ensure its safety and reliability. When using, pay attention to the operating procedures to avoid the sudden opening or closing of the bottle valve, so as to avoid accidental injury.   Gas cylinders that have failed or are no longer in use should be disposed of in accordance with regulations. Under normal circumstances, the gas cylinder should be handed over to a professional organization for recycling, and do not discard or dispose of it without permission.   Different types of gas cylinders have different storage cycles, and should be regularly inspected and tested according to regulations to ensure their safety and reliability. Under normal circumstances, the storage cycle of common gas cylinders is 2-5 years. Gas cylinder storage is an important safety requirement that must be strictly observed. Only in accordance with the provisions of the storage, in order to effectively prevent the cylinder safety accidents, to protect the safety of personnel and property. Therefore, both enterprises and everyone should strictly follow the relevant requirements when using and storing gas cylinders to ensure safety first. Related products:  

2024

03/13

Solid waste safety knowledge

1.The solid waste generated in the course of the experiment must be taken to prevent spreading, preventing loss, preventing leakage or other measures to prevent environmental pollution; No solid waste shall be dumped, stacked, discarded or dispersed without authorization. 2.The waste of harmful solid drugs shall not be dumped, disposed of and piled up without authorization, and it is strictly prohibited to dump them in the place of domestic garbage. 3.Waste is prohibited from mixed collection, storage and transportation, and should be disposed according to the characteristics of the waste, and the waste identification mark should be affixed to the collection bag to mark the nature of the waste. Hazardous waste must be disposed of after treatment and detoxification.   How to dispose solid waste: Hazardous solid waste refers to the waste with the characteristics of hazardous waste that is included in the national list of hazardous waste or identified according to the hazardous waste identification standards and identification methods stipulated by the State, and can be divided into chemical solid waste (referred to as "chemical solid waste") and biochemical solid waste (referred to as "biochemical solid waste") according to its nature. 1.The disposal of chemical solid waste: refers to expired solid chemicals and waste solid chemicals generated during the experiment. The labels should be collected and affixed to the school for notification, uniformly handed over to the unit with the processing qualification for disposal, and the handling handover record should be made. 2.Disposal of biochemical solid waste: refers to the solid (solid) waste generated by various biomedical experiments and related discarded experimental equipment, including infectious waste, damaging waste, pathological waste, other general biochemical solid waste four categories, such as pipette, "gun head", blade, syringe, disposable gloves, EB glue, laboratory animal carcass and tissue. The teaching laboratory shall use yellow special plastic bags to package the biochemical solid waste (excluding damaging waste), mark it, collect it by classification, and hand it over to the professional unit with disposal qualification designated by the school for processing, and make handover records. Among them: Infectious waste must be sterilized in the laboratory prior to storage to reduce or limit its potential pathogenicity. The damaged waste (sharps) must be placed in the sharps recycling box (generally 3/4 of the capacity is appropriate) and labeled well.   Note: The sterilization treatment methods are: high-pressure steam sterilization, waste must be placed in leakproof containers (such as yellow marked autoclavable plastic bags) for sterilization. Chemical disinfection, suitable for the treatment of liquid waste and the surface of objects, the surface of no holes and no adsorption of waste, disinfection effect is better; Commonly used chemical disinfectants are acid, alkali, aldehyde, ethanol, peracetic acid, hydrogen peroxide and so on. The type, concentration and disinfection time of chemical disinfectants should be determined according to the types of pollutants, pollution degree and protein content. For example, 2000mg/L effective chlorine disinfectant should be soaked for 1h for inactivation.   Related products:Safety cabinet&Outdoor chemicals storage container

2024

03/11

Waste liquid safety knowledge

The waste produced in the laboratory can be divided into three categories: waste gas, waste liquid and waste residue.   WASTE LIQUID: Waste liquid is divided into: 1.General wastewater: mainly from the laboratory clean water, can be directly discharged. 2.Chemical waste liquid: divided into organic chemical experimental waste liquid and inorganic chemical experimental waste liquid. The waste liquid of organic chemistry experiments generally includes grease, halogen-containing organic solvent, halogen-free organic solvent and formaldehyde containing organic solvent, etc. Inorganic chemistry experimental waste liquid generally includes waste liquid containing heavy metals, acidic waste liquid, alkaline waste liquid, waste liquid containing hexavalent chromium, waste liquid containing mercury, waste liquid containing fluorine, waste liquid containing cyanide. It must be collected separately and disposed of according to regulations. 3.Infectious waste liquid: refers to the experimental waste liquid that carries pathogenic microorganisms and has the risk of causing the spread of infectious diseases.   How to storage waste liquid: 1. The container containing the waste liquid should be labeled with the name, quantity, composition, waste liquid generation unit, address, telephone, contact person, safety measures, date and hazardous characteristics of the waste liquid contained; The location of the label is easy to observe and is not easy to be damaged by the effluent. 2.Chemical waste liquids of different types or sources that may have dangerous consequences after mixing cannot be stored in the same container to avoid violent chemical reactions and accidents. 3. When handling chemical waste liquid, you must wear appropriate personal protective equipment (such as protective glasses, gloves and lab clothes), do not wear slippers, shorts, etc. 4. When dumping a large amount of liquid waste into a chemical waste container, a funnel should be used to prevent leakage. 5. When handling chemicals or transferring chemicals to waste containers, they must be handled gently to avoid violent collisions; In order to prevent the release of steam, the container should be covered in time. 6. When using containers to store liquid chemical waste, there should be enough gaps in the containers, which should not be too full, and can only be loaded to 70% to 80% of the total capacity.   How to dispose waste liquid: 1. Disposal method of inorganic waste liquid: inorganic acid, neutralize with excessive water solution containing sodium carbonate or calcium hydroxide or waste lye; The waste liquid containing sodium hydroxide and ammonia water is neutralized with hydrochloric acid aqueous solution and diluted to pH 6 ~ 8; The waste liquid containing fluorine is added to the lime milk (calcium hydroxide slurry) until it is alkaline, placed overnight, and filtered; The waste liquid containing chromium was first reduced to Cr (III) by adding ferrous sulfate under acidic conditions, and then precipitated to Cr (OH) 3 by alkali. Mercury containing waste liquid, adjust the pH value to 6 ~ 10, add excess sodium sulfide to precipitate; Arsenic containing waste liquid, adding Fe3+ and lime milk to precipitate and separate; Cyanide-containing waste liquid: be sure to adjust the pH value to basic first, add sodium thiosulfate, ferrous sulfate, sodium hypochlorite, potassium permanganate to form thiocyanate; Waste liquid containing a variety of heavy metal ions is transformed into hydroxides or sulfide precipitate and removed. 2. Disposal method of organic waste liquid: halogen-free organic solvents, which have been biodecomposed can be diluted and directly discharged, those that are difficult to decompose can be sent to professional institutions for incineration, and those containing heavy metals can be treated as inorganic waste liquid after oxidation and decomposition; Organic solvents containing nitrogen, sulfur and halogens are generally sent to professional institutions for incineration, and measures must be taken to remove the harmful gases generated by combustion during incineration, and the combustible substances are treated by extraction, adsorption and hydrolysis. Oils and fats, sent to professional institutions for incineration. 3. Disposal method of infectious waste liquid: Infectious waste liquid must be sterilized, and then treated as ordinary experimental waste liquid. For specific sterilization methods, see disposal method of infectious waste in biochemical solid waste.   Related products:PE spill pallet&Steel spill pallet      

2024

03/11

What is MSDS?

MSDS is Material Safety Data Sheet.MSDS is a comprehensive legal document provided by chemical production or sales enterprises to customers in accordance with legal requirements regarding the characteristics of chemicals. It provides 16 contents, including the physical and chemical parameters, explosive properties, health hazards, safe use and storage, leakage disposal, first aid measures, and relevant laws and regulations of chemicals. The content of MSDS: Product identification: Name, brand and manufacturer information of the chemical; The product number or batch number of the chemical. Hazard identification: Symbolic and textual descriptions of the hazards of chemicals, such as flammability, corrosion, toxicity, etc; The hazard categories and symbols of chemicals comply with international or regional standards. Composition information: List the main components and percentage of ingredients of the chemical; Identification information such as chemical formula and CAS number of chemicals. Health hazards: Describe the impact of chemicals on human health, including symptoms of poisoning, irritation, and allergic reactions; List possible acute and chronic health effects. Fire and explosion hazards: Provide information on the fire and explosion risks of chemicals; Describe the combustion characteristics and fire handling methods of chemicals. Storage and transportation: Explain the storage conditions of chemicals, including temperature, humidity, and other requirements; Provide packaging requirements and transportation methods for chemicals. Exposure control and personal protection: Provide measures to control chemical exposure, including workplace safety requirements; Suggest suitable personal protective equipment, such as gloves, goggles, etc. Leakage Handling and Emergency Measures: Provide methods for handling chemical spills, including precautions during the handling process; Provide emergency measures and accident handling suggestions. The role of MSDS: Protecting personnel safety: MSDS provides detailed information on the hazards and safe operation of chemicals. It describes the potential effects of chemicals on human health, including symptoms of poisoning, irritation, and allergic reactions. By reading MSDS, staff can understand and recognize the hazards of chemicals, and take appropriate preventive measures to reduce potential risks to personnel. Environmental Protection and Safety: MSDS also covers the storage and transportation requirements for chemicals, including storage conditions, packaging requirements, and transportation methods. Proper storage and transportation can reduce the risk of chemical spills and accidents, thereby protecting the environment and reducing damage to natural resources. In addition, MSDS also provides guidance on emergency response to accidents, which helps to effectively deal with chemical spills and accidents and reduce environmental pollution. Promoting compliance and trade: MSDS is one of the essential documents in international trade. Many countries require imported chemicals to carry MSDS. By providing accurate MSDS, manufacturers and sellers ensure the legitimate sales and trade of their chemicals in the global market, promoting the smooth progress of international trade. Enhance safety awareness: MSDS not only provides safety information about chemicals, but also includes correct usage methods and emergency measures. By reading MSDS, users can understand the potential risks of chemicals and learn the correct methods of using and handling chemicals, thereby improving their safety and prevention awareness. This will help reduce the occurrence of accidents and ensure the safety of personnel and the environment. RFID intelligent reagent cabinet More than 2,800 dangerous chemicals are included in the list of hazardous chemicals published by the state. The Chemical Safety Data Sheet (MSDS) of the planned chemical substances can be obtained with one click to determine their chemical characteristics and storage requirements, and you can select the corresponding category of safety cabinets under the color and label management system to classify and grade the chemicals, and avoid the dangers of fire, gas reaction and explosion caused by incompatible chemical storage.

2024

03/08

Food industry hazardous chemicals, hazardous waste safety management solutions

CASE: On the afternoon of May 24, 2021, a suspected harmful gas poisoning incident occurred during the maintenance of facilities in Furong bamboo shoot food factory in Yibin, Sichuan Province, resulting in 7 deaths and 1 minor injury, which is a major safety accident.   Dangerous chemicals are often used in food factories. Such as production and processing procedures, cleaning and disinfection, pest control and equipment maintenance and other processes. If the use of these dangerous chemicals is not effectively and safely stored and controlled, it will cause food contamination and accidents.   With the increasingly loud voice of food safety, many companies have established the HACCP system to provide consumers with safe and healthy food, in the HACCP system, which has a requirement, that is, to establish a systematic management method of dangerous chemicals used in food processing plants, to avoid food contamination and accidents caused by it.   1.Establish a list of hazardous chemicals in food workshops According to the production and processing technology and hygiene control methods of the factory, the chemicals used in the production related places such as dish soap, hand sanitizer, chlorine dioxide, edible alcohol, caustic soda and laboratory chemical supplies are classified and sorted, and the characteristics of their properties, scope of use and precautions for use are clarified. 2.To formulate a list of hazardous chemicals used by various departments The table specifies the names, uses and control levels of hazardous chemicals allowed to be used by each department. 3.Establish an approval system for new hazardous chemicals The state implements unified planning, rational distribution and strict control over the production and storage of hazardous chemicals, and implements an examination and approval system for the production and storage of hazardous chemicals. Without examination and approval, no unit or individual may produce or store hazardous chemicals. The newly added hazardous chemicals applied by the food factory for each department must be approved by the quality management department to confirm that the use of the chemicals will not cause safety hazards to the products. 4.Establish an acceptance system for hazardous chemicals The contents to be accepted after the arrival of the product include: product packaging, product label, factory inspection sheet, regular type inspection report and business license, production license, material safety table, etc. 5.Regulate the storage and use of hazardous chemicals Acid-base separation: acidic and alkaline chemicals should be stored separately to prevent the danger of acid-base neutralization reactions after leakage; Fire fighting equipment: fire fighting equipment such as fire extinguishers should be set up in the warehouse; Storage of flammable and explosive chemicals such as alcohol should be installed explosion-proof switches and lighting... The registration system for receiving and using: different chemicals are allowed to be used in different departments and regions, and the recipients need to have authorization and clear accounts. 6.Establish chemical attribute list of hazardous chemicals in plant Chemical properties, precautions for storage and use, use protection, emergency treatment, etc 7.Staff training Relevant personnel should be familiar with the management requirements and protection knowledge of chemicals 8.Periodic audit Timely investigation, timely rectification, in order to achieve the role of safety protection.   PROJECT:   Yakult   Yakult regards product quality and food safety as the lifeblood of the enterprise, and implements systematic quality control over the whole industrial chain. From raw material control, key point control, quality detection to cold chain management and other steps are strictly programmed management, and attaches great importance to the safety of general solid waste such as waste activated carbon generated in daily production operations. After understanding the specific needs of Yakult, our technicians customized scientific compliance programs according to storage performance, site planning and other factors, and the professional team followed up the delivery after the customization, on-site debugging and acceptance. The use performance and effect are unanimously recognized by the on-site personnel!   Yihai Kerry   Yihai Kerry implements the concept of "health and safety, harmonious sharing", provides employees with a healthy and safe workplace environment, and allows employees to go home safely. With the support of comprehensive safety production process, a sound occupational health and safety management system has been formed. According to the operation and management status of its factories, for the storage and use of hazardous-related items required for daily work, it is scientifically equipped with public explosion-proof safety cabinets and standardized safety warning color cabinets, representing different types of storage substances, making it obvious to identify, organize, classify and distinguish substances or liquids. Help factories implement standardized and efficient safety management.   PARTNER: RELATED PRODUCTS:Narcotic chemical storage cabinet

2024

03/08

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