UPC/CUPC Certification
UPC refers to uniform plumping Code, unified sanitary pipe product standard, is the authoritative certification of sanitary ware products entering the U.S. market, and adding "C" refers to the Canadian market. CuPc is the authoritative certification of sanitary ware products in the North American market, and the scope of CuPc certification products is the pipe and sanitary ware products exported to the North American market. CuPc certification for certified products is based on the unified pipe specifications of the U.S. and Canada The specific certificate is issued by IAPMO (International Association Plumbing and mechanical offcials) in the United States.