Shanghai Wealth-maker Industry Co., ltd Since it was, has developed into a stock-sharing enterprise specialized in research, industry and trades our factory with named SHUANGDA VALVE CO., LTD was founded in1992, locates in Oubei Sanqiao industry Zone, Wenzhou, China . With the site area. our company has over 300employees, including 58 senior engineer and technicians. In order to enlarge our international business , our company moves to shanghai in 2007.Main products in our company include gate valve, ball valve , stop valve, check valve , butterfly valve, 3-way4-sealing ball valves, eccentric semi-spherical valves and power station valves with over 2000 specifications. The products are manufactured in accordance with many standards such as GB , API , DIN, BS, and JIS etc, the body materials select WCB/A105, WC6, WC9, C5, ZGCr5Mo, C12, ZGCr5Mo1V, CF8/304, cf8m/316, CF3/304L, CF3/304L, CF3M/316L, 12Cr5MoV, ZGCr18Ni9Ti, ZG1Cr18Ni12MoTi and so on, the modes of driving include manual , gear, electric, pneumatic and hydraulic , the diameter of valve varies from10mm to 2200mm and 1/2ã??to 60ã??, while the working pressure ranges within 0.6-42Mpa and 1504500Lb, the working temperature within -196800â??.There are equipped with over 200 sets of exquisite mechanical processing and welding machines including of CNC lathe, large-size lathe and so on, besides CAD design center, complete quality control institutes , physical/chemical perfor-mance analysis and sealing test equipments are also established. The products are widely used in the trades and industries like power supply, petroleum , metallurgy, medicals, construction and water supply etc. Broad sales network spread over the country and intern- ational markets, including Middle East, Southeast Asia , Europe and USA areexpected to be explored. Our products has a prestige in the industry with excellent quality and good service.The company passed a series of certifications such as ISO9001:2000 (CQC), ISO14001 Environmental Management System, Ohsas18001 Occupation Health & Safety Management System, National Special Equipment Manufacturing License(AZ) for Pressure Pipeline, API-6D and CE(EU), acted as the members of sinopecâ??s supplying network, first tier supplying network for petro china company limited., acces-sories supply network of National Power Corporation, designated production units of china national chemical equipment corporation(cncec), China Urban Gas Association, recommended â??product unit of China Engineering Construction Association and so on. The leading products gained the acceptance issued by the Supervision and Check Center for the Quality of Mechanical Industrial Valves, and was insured as Reliability Insurance for Quality by PICC(Peopleâ??s Insurance Corporation of China), moreover, the company won the excellent broadcasting Brand In Zhejiang Province, the Starred Enterprises and Provincial Credit Grade AAA (China Agricultural Bank) in succession.On the basis of the promises for the quality derived form leading technologies and management, we recall the deep love of vast clients on Wealth-maker Products with favorable credit, Abiding by the management concept as All for the satisfaction of clients. We will be persist in applying new technology, new craftwork and new materials to develop new types and increases the quality, we will provide oar after-sale service excellently and our completely based upon our abundant technical strength and professional production with the attempt to strive for the establishing of a modernized enterprise.Hereby we, Shanghai wealth-maker industry co., ltd make solemn promises to new & old client that wealth-maker valves will cooperate with our clients new & old with our up-to-date technologies, reliable quality , lower price, prompt delivery, to build up a common brilliance in coming days.