China Association of Environmental Protection Industry (CAEPI) was founded in 1984. It is a national, non-profit social organization registered in China. It is voluntarily composed of scientific research, design, production, distribution and service units and experts in environmental protection industry. By June 2010, the total number of membership has been over 1,100, including 46 local associations. CAEPI connects with more than ten thousand environmental companies through the local associations. CAEPI is supervised by the Ministry of Environmental Protection, PRC.