1.3 m
The demand of 3M for personal protective equipment is the most extensive in China, but in terms of personal protective equipment, the technology and price of 3M gas mask are the most suitable for the public. The biggest feature of 3M gas mask is the patented cold flow exhalation valve design, which reduces breathing resistance; The product range is relatively wide, the price of gas masks is moderate, and the mask accessories are rich, saving costs.
3M products have obtained the safety signs of imported products and special labor protection articles, and are the pioneers of personal protection articles.
2. Sichuang
Sichuang is an enterprise supported by a government department in Jingzhou, Hubei Province, mainly engaged in the research and development and production of individual respiratory protective equipment. The developed ST series dust-proof gas masks are supported by China People's Ministry of Science and Technology for free.
Sichuang gas mask has the characteristics of beautiful appearance, comfortable wearing, quick replacement of filter materials and reliable safety performance. Sichuang technology series products have made important contributions to ensuring people's life safety and health in the process of emergency rescue and disaster relief in different environments in metallurgy, mining, chemical industry, building materials, public security, fire fighting and other fields in China. At present, Sichuang gas masks also occupy a certain market in China, meeting the needs of the domestic public.