Shanghai Qiuyi Valve Co., Ltd. is a specialized company devoted into manufacture and sales of valves, including machine workshop, assemble workshop, synthetic finished and half - finished warehouse. The company possesses 260 precise equipments , the advanced numeral control machines ensure the flexibility and exchangeability of all the product parts. the company flourishes year by year, and its products have been widely used in lines of domestic large powerstation configuration, dirty water processing, urban construction, petroleum-chemical, oil extraction, metallurgy, chemical fertilizer, paper production and pharmacy, exported to many countries and regions, gains the users' unanimous praise and confidence.The company has a modernized staffs of tech research and product development, ISO 9001 certificated. And now the company has the capability of manufacturing big series of high temperature and high pressure power station ball valve, gate valve, globe valve, check valve, butterfly valve and valve parts, including flange and ball. Diameter of valves varies from DN15 to DN1800(1/2'-60' ), working pressure varies from PN1.0MPa to 42 MPa(150lb to 2500lb), and working temperature from -196 Celsius degree to +570 Celsius degree; the main body adopts WCB, WC6, WC9, Cr5Mo, 20Crmo, 12Crmov, 15Crmov, CF3m, CF8m; the actuator type includes manual type, spur gear and bevel gear type, electric type, pneumatic type, hydraulic type; manufacturing adopts advanced domestic and foreign standards such as GB, API, JIS, DIN, BS, NF and ANSI.