During World War II, in order to further establish its world dominance, American capitalism began to conduct research on radioactive substances, but they needed to develop an item to protect against all harmful particles to ensure clean air and protect scientists from harm. .
Scientists then further developed and developed based on the air filter improved by Johns Tenhouse, and finally developed H14 high-efficiency filter material.
We are a high-tech enterprise specializing in the research and development, production and sales of polytetrafluoroethylene microporous membranes. We have a complete pre-sales, sales and after-sales service system.
Interested parties can enter the store to consult us.
</p