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DONGGONG VALVE

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Donggong VALVE GROUP CO., Ltd. is located in the hometown of overseas Chinese in China - Dongyuan Town, Qingtian County, Lishui City, Zhejiang Province. It is a professional non-regional group company that integrates the research and development, production and sales of casting parts and stainless steel valves and other industrial valves. The group covers an area of 26,000 square meters and has more than 120 employees, including more than 30 professional and technical personnel. The annual output of castings and valves reaches more than 15,000 tons.

The PRODUCTS OF THE GROUP ADOPT ALKALINE PHENOLIC RESIN SAND PRODUCTION TECHNOLOGY, EQUIPPED WITH INTERMEDIATE FREQUENCY furnace 1 set of 6 tons, 2 sets of 3 tons, 1 set of 1 ton, 50 tons and 20 tons natural gas heat treatment furnace, and 2 sets of 10 tons resistance heat treatment furnace. Equipped with modern testing and material testing equipment: direct reading spectrum analyzer, metallographic analyzer, mechanical performance test, low temperature impact test, MT, PT, UT, RT and other perfect testing equipment, by full-time inspection personnel analysis and testing, to ensure the customer's requirements for casting quality. The maximum casting weight is 10000kg. Specializing in the production of stainless steel, alloy steel, carbon steel and other material casting, CF8, CF3, CF8M, CF3M, CG8M, CG3M CF8C, 4A, 5A, C12, WC9, WC6, C5, LCB, LCC, LC1, WCB, CA15, 1Cr13, Cr5Mo, 15CrMo, 35CrMo, 0CrMoV, 15Cr1Mo1V, 1.0619, etc. The main products are valve castings, which can also be produced according to GB, ASTM/ASME, JIS, DIN and other standards.
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