We are DongyangJinlong filtertech CO., LTD based in Jinhua, China. Our business is related to Environment industry and we specifically deal in ptfemembrane, HEPA filter, ptfe tubular membrane. Please find our product details below: Sell PTFE MEMBRANE The film is made with PTFE membrane, PTFE has a high chemical stability due to corrosion and biological blending, low coefficient of friction, so the waterproof breathable function under high temperature, is more suitable for high clean air filter , dust collection and recycling of precious metal particles, paint collection and other advanced, high-temperature gas filtration (as in the photo-type -190 degrees to 260 degrees below using photo-style), fermentation gas filter, air intake filters and special equipment used on electronic products Gas external water droplets into the film to prevent diversion, Chemical storage tanks for liquid permeability of the membrane also suitable for use in extreme climatic conditions (for polar outdoor sports clothing, underwear assault, etc.), crisp fabric will not harden. Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.