Zhejiang Guocheng Valve Co,. Ltd is a professional company with the integration of design, manufacture, sales and service. The company is located in the hometown of pump and valve -Oubei Town, in Wenzhou City Zhejiang Province. Guocheng valve meets the needs of users with high quality products and serves the broad users with good faith. The main products are a range of products such as all welded ball valve, forged steel ball valve, buried type welded ball valve, bleeding welded ball valve, the lengthening bar welded ball valve, directly buried type welded ball valve, full bore welded ball valve, flange full welded ball valve, threaded full welded ball valve, forged steel full welded ball valve, floating ball valve, fixed ball valve, hard seal ball valve, stainless steel ball valve. Product diameter: DN15~DN1200; working pressure: 1.0Mpa~6.4Mpa; operating temperature: -40C~+220C; material: carbon steel, alloy steel, heat-resistant steel, stainless steel; operating mode: manual, worm gear, electric, hydraulic, pneumatic, automatic etc. All the products are in strict accordance with the ISO9001 international quality certification, they are widely used in petroleum, chemical, natural gas, electric power, pharmacy, metallurgy, food, construction and other industries. Products sold throughout the country, and exported to Europe, southeast Asia and other countries. They are reputably appraised by customers. Guocheng has always adhering to the striving for the Chinese quality achievement and high-end brand business philosophy, using computer-aided manufacturing integration platform, and we have realized the modernization management which is from marketing development and ordering to the modern management to the products manufacturing process. By the complete and advanced processing equipment and technology, complete detection means and quality assurance system, we provide all users with the highest quality products and best service.