LENGE, founded in 1998, is a comprehensive high-tech company integrating R&D, production, sales, testing and service. The products of LENGE cover microporous filter membrane, pleated filter cartridge, air filter, purification equipment and purification engineering supporting products. It strives to build an ecological industrial chain of purification industry

Through years of exploration and improvement, LENGE has passed ISO9001, ISO14001, ISO45001 quality, environment and occupational health and safety certification, and has obtained 37 authorized patents. With a number of independent core technologies, the company leads a number of scientific and technological projects above the provincial level, and sets up the provincial precision filtration engineering technology research center. After unremitting efforts, LENGE won the title of "Little Giant" company with specialization and novelty in the city.

LENGE has laid out a "Branded" marketing service network and established a "Real