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                The Shangzheng Science and Technology Park, headquartered in Dongpu Industrial Zone, Wenzhou City, has a construction area of 26,000 square meters. More than 680 employees, more than 80 senior technical engineers. The Group has established a marketing headquarters and an 80-acre high-tech valve R&D and production base in the “Yangtze River Delta” central city, and has established more than 70 marketing networks in major cities across the country.

                Shangzheng Group introduced the CI system and ERP enterprise information management system, and introduced foreign advanced valve technology such as American Tyco, Canada Weilan, Japan Gangye, etc., equipped with imported machining centers, CNC lathes, and ultra-large precision vertical lathes. More than 350 sets of equipment such as automatic coating line; all kinds of valves and liquid level instruments are produced according to GB, API, ANSI, DIN and JIS standards, with an annual production capacity of more than 300 million yuan. The leading products include 10 series of more than 1600 varieties of power station valves, butterfly valves, ball valves, American standard valves, solenoid valves, slab gate valves, hydraulic control valves, regulating valves, safety valves and liquid level instruments. The users cover power stations, oil, Chemical, metallurgy, shipbuilding, urban construction and other fields. Through cooperation with relevant research institutes, the Group has established a modern CAD R&D design center and valve research center. It has invested heavily in the establishment of a modern quality testing center, and has the only γ, x double ray valve body testing laboratory in Wenzhou, and is equipped with magnetic particle testing, coloring flaw detection, pressure test, tensile test, impact test, chemical analysis, hardness. A complete set of advanced testing equipment and testing methods, such as analysis and spectral analysis, strictly follow the international standards for quality tracking and control of the whole process of product production, ensuring the excellent quality and good reputation of the products.

                  The group has taken the lead in passing ISO9001:2015、ISO14001:2015、ISO45001:2018 management system, API-6D, CE and AZ certification. It is a designated enterprise of National Chemical Equipment Corporation, State Power Corporation, Sinopec Corp., China Petroleum Network Enterprise, National Grade A Electromechanical Equipment Complete Supply Enterprise, member of China Valve Industry Association, Zhejiang Product Trustworthy Enterprise, and has been continuously awarded for four years from 2000 to 2003. The star enterprise is honored as an AAA-level enterprise with credit rating of AAA and integrity. Shangzheng Valve series products have obtained a number of national patents, national manufacturing measuring instruments licenses, and the Ministry of Chemical Industry explosion-proof qualification certificates. Shangzheng brand products have won the Gold Award for Asian New Technology and New Products Expo, China Engineering Construction Recommended Products, Provincial Quality Valve Products, and Industry. Brand name product.

                In the new 21st century, Shangzheng people will adhere to the business tenet of “self-improvement, ethics, science and technology, industry to serve the country” and the business philosophy of “quality creation value”, and vigorously promote “innovation, perseverance, integrity and cooperation”. Corporate culture, focus on building a learning company with a leading concept. And is willing to work with people of insight in the world to make greater contributions to the development of China's valve industry and the progress of human civilization!

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