Chongqing Sanfeng Technology Co., Ltd. founded in August 2007 and is the core engineering technology subsidiary of Chongqing Sanfeng Environmental Group Co. The company adheres to the development concept of "scientific, innovation, feeding nature", and is an environmental protection enterprise integrating design, construction and operation management. It has Class B qualification certificate of environmental engineering design (water pollution prevention and control engineering) issued by the Ministry of Construction of the People‘s Republic of China, Class I qualification certificate of professional contracting for environmental protection engineering and Class A qualification certificate of Chongqing environmental pollution control (wastewater, waste gas, solid waste) and pollution control facility operation service.The company has a leachate membrane system manufacturing base with a working area of more than 5,400 square metres. It specialises in complete sets of leachate core equipment such as ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO), disc reverse osmosis (DRTO), reticulated reverse osmosis (STRO), softening membrane and separation membrane system. With a scientific and pragmatic attitude, the company is committed to the sustainable development of resources and the environment, and makes unremitting efforts "for a cleaner world".