Shanghai Mingzhu Valve MFG Co. Ltd is a leading professional valve manufacturer in China since 1975. It is the first-line supplier of Sinopec, entitled manufacture of China Power and association member of CGMA (China General Machinery Industry Association). Products are honored by National Trading Dep as "Quality trustworthy products" and famous as "Shanggu" brand. It has passed ISO9001:2000, API 6D and CE certifications and possesses more than 20 own intellectual property rights. It has a headquarter factory covering an area of 44300 square meters, one overseas mechanism and a sales and service network of more than 100 branches in China. Products start to be exported over the world in recent years and are winning good reputation. Products scope (Shanggu brand): ball valve, gate valve, butterfly valve, globe valve, check valve and governor valve: diameter DN62mm~3200mm, pressure 0.6MPa~32.0MPa, temperature -196 degree C.~570degree C. With mainly materials of carbon steel, stainless steel, refractory steel and spheroidal cast iron and equipped with start-up settings of pneumatic, hydraulic, electrical-powered and worm gear. Productions adopt advanced national industrial standard of America ANSI, JIS, Britain BS, Germany DIN etc. applying in a broad range of oil, power generation, chemical and petrochemical, oil and gas, metallurgy, medicine, food, building, pulp and paper, mining, ship-building industries etc.