Youli Holding Group Co., Ltd. is the first large-scale enterprise group company to produce PVC-C (chlorinated polyvinyl chloride) pipeline products in China. It is a franchise authorized by Lubrizol [formerly known as Nuoyu Chemical] in the United States. Manufacturer, the products include FLOWGUARD Fuli pipe civil hot and cold water supply system, CORZAN industrial piping system, BlazeMaster fire piping system. As the first drafting unit, the company participated in the formulation of national standards for PVC-C, PVC-U, ABS industrial and civil piping systems. It is a core member unit of the National Plastics Standards Committee (TC48/SC3) and an advanced standardization work unit. It has been evaluated successively It is an excellent technological enterprise in Zhejiang Province, a star enterprise in Yueqing City, a dynamic and harmonious enterprise, and an honest and bright enterprise. The company has set up Wenzhou Enterprise Technology Center, the product has independent innovation and independent intellectual property rights, has successively obtained 4 invention patents, 6 utility model patents, Beijing University of Chemical Technology "Youli" doctoral innovation fund, the national chlor-alkali industry "Youli" The prize of the "Cup" essay contest is an AAA-level credit unit of the Agricultural Bank of China, and a product quality insured unit of the People's Insurance Company of China. Youli trademark is a well-known trademark in Zhejiang Province and a well-known trademark in China.