Youli Pipeline Company set up a Sino-U.S. in China in 1996 by former U.S. NOVEON[ B.F.Goodrich Company ] Youli Holdings Limited and the establishment of a joint venture, which is the first series of products CPVC manufacturers, CORZAN TM, CPVC exclusive production enterprises in China, state-of-the-art science and technology, the scale of investment in high-level, the sensitivity of the intelligence, so that stability of product quality and class.   U.S. companies currently using high-quality materials and mass production technology and equipment CPVC pipe and pipe fittings, valves, fillers and other products, in full compliance with ISO 15493 and ASTM standard F411, F439, F437, DIN standards 8080, 8079 and 6776 JISK standard requirements Meanwhile, the company was the first successful plastics industry through international ISO9001-2000 quality management system and environmental management system ISO14001-1996, GB/T28001-2001 occupational health and safety management system certification.