Shangzheng Valve Group Co., Ltd. is one of the top 30 leading enterprises in the "Township of Pump and Valve in China", which was founded in 1980. After more than 30 years of development, Shangzheng Valve Group Co., Ltd. has become a large national non-regional group integrating R&D, design, manufacture, sales and service. The Shangzheng Science and Technology Park, headquartered in Dongou Industrial Zone, Wenzhou, has a construction area of 26000 square meters. There are more than 680 employees and more than 80 middle and senior technical engineers. The Group has established marketing headquarters and 80 mu high-tech valve R&D and production base in Shanghai, the central city of the Yangtze River Delta, and has established more than 70 marketing service outlets in major and medium-sized cities throughout the country.