LENGE Purification, founded in 1998, is a comprehensive high-tech company that specializes in the research, development, production, sales, testing, and service of purification equipment and products. With a focus on creating an ecological industrial chain in the purification industry, LENGE offers a wide range of high-quality products including microporous filter membranes, pleated filter cartridges, air filters, and purification engineering supporting products. The company is committed to maintaining high standards and has achieved ISO 9001, ISO 14001, and ISO 45001 certifications for quality management, environmental management, and occupational health and safety respectively.

LENGE's air filters, liquid filters, and purification equipment have also obtained international certifications, while their clean-room equipment has been CE certified. With leading technology and advanced detection capabilities, LENGE has established research centers and obtained patents and product certifications. The company's laboratory is CNAS certified and they have been recognized as a specialized and special new small and medium enterprise.

LENGE prioritizes customer satisfaction and offers a comprehensive One-stop Service at LENGE Purification Boundary approach. They strive to build an all-round ecological purification industry chain by providing cutting-edge industries such as pharmaceutical, food, microelectronics, and environmental protection with high-quality and reliable products. With a strong commitment to quality, service, and customer-driven innovation, LENGE is dedicated to creating a cleaner and healthier environment for all