Jiangsu Province Zuzem Machinery Factory, established in 1972, has been approved ISO 9001:2000, GB/T28001-2001, ISO14001-2004, API-6D, CE and CCS.Our factory is one of the chief units for drawing out the national standards: GB/T12232, GB/T12233, GB8464, GB9306,faucet standard QB1334 and the pipe thread standards GB7306 and GB7307, a supplier of China petrochemical material market,China Petroleum & Natural Gas Group Corp. Our products are insured by PICC.　
　　The factory is located in Yangtze River Delta covering 15000m2, over 1100 staff members and 298 various engineering technicians, and holds precise casting, forging, welding, heat treatment, maching, testing etc. There are CNC machine tools, imported die-casting machine, digital display borer. The factory has a powerful product development and design and production capacity, with a provincial-class technical research and development center. And all the designs use CAD and Solid Edge.　
　　The key products include: cast iron and bronze, brass made gate valve, stop valve, ball valve, butterfly valve, check valve ect. The valves are widely used in the petroleum, chemical industry, electric power, medicine, ship-building, civil water supply and drainage field .The valves are also exported to Europe, Japan, Singapore, Korea, Hong Kong ect. Our products are well known in the valve industry of china.