The headquarters of Guocheng Valve Group Co., Ltd. is located in Anfeng Industrial Zone, Oubei Town, Wenzhou City, the hometown of pump and valve in China.  It is a professional valve factory specializing in the design, manufacture, sales and service of Russian standard,Chinese standard, American standard, Japanese standard and non-standard valves. The registered capital of the company is 222.80 million CNY. Covering an area of 13,600 m²,  the company has more than 120 employees, and more than 30% of college graduates, including 25 high- and medium-level technicians. The company has machining center, CNC lathe, CNC vertical lathe, boring machine and automatic submerged arc welding machine and CNC screw top pressure valve performance testing machine. It is equipped with spectrum, mechanics, flaw detection and various physical and chemical testing equipment. Guocheng Valve Group specialized in  integrated all-welded ball valve, which adopts internationally advanced production technics and technology, adopts international quality assurance and control procedures, and advanced production operation management. At present, the main products are: fully welded ball valve, underground fully welded ball valve, eccentric semi ball valve, natural gas ball valve, metal to metal rotary ball valve, gate valve, check valve, globe valve, oxygen valve, copper valve and so on. Product diameter: DN15-DN1500 (1/4"-60"); working pressure: 1.0Mpa-6.4Mpa(150lb-2500lb); working temperature: -196°C-550°C. Material: carbon steel, alloy steel, heat-resistant steel, stainless steel; operation mode: manual, gear, electric, hydraulic, automatic, etc. The main products meet the relevant technical standards of ANSI,  EN, BS, DIN, ASME, ISO and other fields and countries. We have already get the CE, ISO, FIRESAFE CERTIFICATES. The products are used in petroleum, chemical, natural gas, heat, shipbuilding, electric power, pharmaceutical, metallurgy, food, military, Various industries such as municipal engineering. Guocheng Valve Group always adheres to the business philosophy of “Strive for the national quality and achieve high-end brands”. It adopts computer-aided manufacturing integrated system information platform to realize the modern 
management from market development, customer ordering to product delivery process. The advanced processing equipment and technology, complete testing methods and quality assurance system provide the best quality products and quality services for the majority of users. We sincerely welcome new and old customers to contact us by phone or email!