Shuangjiu Precision Casting Valve Co. Ltd
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Yangzhou Shuangji Machinery Co., Ltd.
🇨🇳 China
200351-100 peopleManufacturerEstablished brand
OEM manufacturer
Patented technology
ODM manufacturer
Key market
South America
Description
Yangzhou Shuangji Machinery Co., Ltd. is a manufacturer based in Yangzhou, China, specializing in steel castings, iron cast parts, and alloy casting parts. Established in 2003, the company employs 68 people, including 5 technicians with over a decade of experience. They offer OEM and ODM services and are certified with ISO 9001. The company operates a factory with main production equipment including intermediate frequency electric furnaces, a disappearing mold negative pressure casting system, a resin sand treatment production line, and trolley-type resistance heat treatment furnaces. They have an annual output of 3000 tons of various castings. Their product range includes roller conveyors, furnace rolls, bimetallic linings, rare earth heat-resistant steel, rare earth wear-resistant alloy tubes, corrosion-resistant alloy steel (stainless steel), and precision cast steel parts. Yangzhou Shuangji Machinery Co., Ltd. utilizes various casting methods such as precision casting, sand casting, lost foam casting, lost wax casting, carbon steel casting, and investment castings. They have developed proprietary processes, including a high-intensity magnetized coating to reduce sand flushing and a method to prevent deformation and box collapse in large workpieces, both of which have national patents. Their products are sold to various provinces and cities within China.
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Zhongqiu Valve Co., Ltd
🇨🇳 China
199251-100 peopleManufacturer/Trading CompanyEstablished brand
OEM manufacturer
ODM manufacturer
Product customization
Key market
North America
Description
Zhongqiu Valve Co., Ltd, also known as Zhejiang Zhengqiu Valve Co., Ltd, is a professional manufacturer and trading company established in 1992. Based in Wenzhou, China—a region renowned for pump and valve production—the company operates a factory equipped with over 200 sets of advanced metal processing, machining, and testing equipment, including CNC and vertical lathes. With a workforce of 51 to 100 employees and annual revenue between US$2.5 million and US$5 million, the firm integrates scientific research, design, manufacturing, and international trade.
The company specializes in a comprehensive range of industrial valves, with core expertise in ball valves, including forged steel, fully welded, trunnion mounted, floating, and high-pressure variants up to 6000 PSI. Their extensive product catalog also features gate, globe, check, and butterfly valves, as well as Y-strainers, needle valves, and specialized oilfield products. These components are manufactured in various materials such as A105N, F316L, WCB, and CF8M, covering nominal diameters from DN8 to DN1000 and pressure ratings from PN1.0 to PN42MPA.
Zhongqiu Valve is a certified High-tech Enterprise holding ISO 9001, API 6D, API 607, CE, EAC (GOST-R), and ASME certifications. They provide robust OEM and ODM services, catering to diverse industrial sectors including petroleum, chemical, natural gas, shipbuilding, and electric power. The company maintains a strong international presence, exporting high-quality solutions to markets across North America, the European Union, and Southeast Asia.
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