LENGE is one of professional air filter manufacturers and suppliers in China, welcome to buy or wholesale customized bulk air filter, purification equipment, folded filter cartridge of one of famous such brands and get its free sample from us.

With our products are certificated by ISO9001 and ISO14001 as well as first authorized by US FDA in China, We are awarded as Jiangsu Private Technology Enterprise, Three-star Digital Enterprise, and Scientific and Technological Innovation-oriented Enterprise. Also be recognized as “Excellent Supplier” by many domestic large companies.