Mingzhu Valve Group Co., Ltd. (formerly known as Shanghai Mingzhu Valve MFG Co., Ltd., developed from Shanghai Yonggu Valve Factory) is a technology-based enterprise specialized in valve manufacturing, with the head office located in industrial park of Jinhui Town, Fengxian District, Shanghai. It occupies a total area of 43, 000 square meter, with 32, 000 square meter, modern workshop. The Company has been certified by ISO9001, GB/T24001-2004, GB/T28001-2011, API-6D, CE and PCCC, granted Special Equipment Manufacturing License of PRC, and honored as Qualified Computation Enterprise, AAA Enterprise with Excellent Credit Standing and Shanghai famous brand enterprise. It is also a first-class supplier of China Petroleum Group, first-class network supplier of Sinopec, member of China Valve Association and vice-chairman member of Pump Valve Professional Committee of China Association of Water Supply & Drainage Equipment. Our Company is equipped with over 210 sets of CNC machine equipment, precision cutting equipment, nondestructive testing, optical spectrum analyzers and valve performance testing apparatus. The excellent quality of the products can be guaranteed by sophisticated equipment, superb technology, research & development, design and manufacture based on CAD and CAM as well as ERP system. SHANGGU brand series valves have been honored as Independent Innovation Product of Shanghai and Brand-name Product of Shanghai. The Company has been honored as brand-name enterprise in China water supply and drainage industry, owning more than intellectual property rights. Our Company manufactures various standard valves and non-standard customized valves in compliance with the standards of GB, JB, API, ANSI, JIS, BS, DIN, etc. Our main products include nine categories with over 3000 varieties, i.e. SHANGGU brand large-diameter, serial and intelligent butterfly valves, gate valves, globe valves, ball valves, check valves, regulating valves, power plant valves, ANSI/JIS valves and non-standard special valves. Our annual capacity is over 10, 000ton, with the valve diameter of 15mm-4, 000mm and nominal pressure of 0.25MPa-32MPa. The vales are made of ductile cast iron, carbon steel, stainless steel, refractory steel, alloy steel and other special steel grades. The driving modes include manual drive, worm gear drive, pneumatic drive, electric drive and PLC. The products are widely applied in the fields of oil, chemical, power generation, metallurgy, South-to-North water diversion project, water supply & drainage, sewage treatment, ship-building, etc. The products are sold well all over China and some products are exported to Russia, Iran, Turkey, India and other countries, gaining good reputations at home and abroad. This Brochure mainly introduces SHANGGU brand two-way metal hard and soft sealing swap butterfly valves, resilient seat gate valves, eccentric semi-ball valves, check valves and regulating valves and other special valves applicable to water supply and drainage, South-to-North water diversion project, electric power circulation system, building materials, ship-building, sewage treatment and other fields.