Shanghai Autotight Valve & Fitting Co., Ltd. is a professional and diversified valve manufacturer, specializing in ball valve, gate valve, globe valve, non-return valve, butterfly valve, pipe fitting, sanitary valve etc. Available in a wide range of sizes and materials, these valves are specifically designed for Chemical Industry, Stainless Industry, Medicines, Food, Science and Technology, environment-protection Industry. The area of factory building is more than 40,000M2. (the new factory zone is under construction). We are certified ISO9001-2000, CE and API6D. The products have been exported to U.S.A., Europe, Middle East, Southeast Asia, etc. As always, Our objective is to be your preferred partner and supplier, through providing you with products that are engineered to meet your exacting requirements, delivered on time, with a commitment to through-life support and above all, to the quality standards demanded in today's business arena.