Dongying Changlong Precision Casting Co.,Ltd.
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Changlong Foundry Company Limited
🇨🇳 China
1993201-300 peopleManufacturerEstablished brand
OEM manufacturer
Product customization
Key market
Europe
Description
Changlong Foundry Company Limited, established in March 1993 in Hengshui, China, is a specialized manufacturer of ductile iron castings, grey iron castings, and investment steel castings. The company employs 280 staff and operates a 4-hectare facility with fixed assets of RMB 26,000,000. They utilize advanced foundry technologies including sand casting for ductile iron, with an annual output of 5,000 metric tons, and lost-wax casting for precision steel, producing 800 metric tons annually. Their product range includes pipefittings such as tees, bends, and flanges, as well as automotor and machine parts. Changlong Foundry also offers high-specification austenitic-bainitic ductile iron castings (A-BQT900-7, A-BQT1000-5, A-BQT1200-4) and casting services for low-carbon, middle-carbon, high-carbon, and alloy steel. The company is ISO 9001 certified, ensuring consistent quality, and exports its products to countries including England, Germany, Japan, America, and Spain.
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Dongying Changrui Investment Casting Co., Ltd.
🇨🇳 China
2005101-200 peopleManufacturerEstablished brand
OEM manufacturer
Product customization
High-tech enterprise
Shipments
75
Key customer
AMOS INDUSTRIAL
Key market
🇺🇸 United States
Description
Dongying Changrui Investment Casting Co., Ltd. is a professional manufacturer and OEM service provider specializing in precision metal castings. Based in Dongying, Shandong Province, China, the company operates a 38,400 square meter facility equipped with advanced inspection tools from Japan and processing machinery from Korea. Established in the mid-2000s, the company employs between 100 and 200 personnel and maintains a strong focus on research and development through a partnership with the Shandong Science and Technology University.
The company specializes in the lost wax silica sol shell process, a technique superior to water glass casting for producing complex, high-precision components. Their extensive material capabilities include stainless steel, carbon steel, heat-resistant steel, alloy steel, aluminum, and ductile iron. Key product lines serve diverse industrial sectors, including automotive (exhaust manifolds, engine parts), fluid control (pump housings, impellers, valve castings), and heavy machinery (petroleum accessories, marine fittings, and construction hardware). They also produce specialized items such as camlock couplings, meat grinder parts, and heat treatment baskets.
Dongying Changrui Investment Casting Co., Ltd. maintains rigorous quality standards, holding IATF 16949, ISO 9001, and ISO 14001 certifications. With a monthly production capacity of approximately 80 tons, the company serves a global clientele, including major international brands such as FIAT AUTO, Caterpillar, and the Dixon Group. Their strategic location near the Qingdao port facilitates efficient export operations to markets across Europe, North America, and Asia.
Exhaust Manifold
Pipe Clamp
Lock Fitting
Petroleum Machinery Accessory
Valves Fittings
Quick Joint
Meat Grinder Body
Auto Parts
Ring Gear
