Tangshan Longquan Machinery Co., Ltd.
Tangshan Longquan Machinery Co., Ltd.
🇨🇳 China, Hebei Sheng
2004201-300 peopleManufacturer/Trading CompanyTangshan Longquan Machinery Co., Ltd. is a manufacturer and trading company based in Tangshan, China, specializing in the research, design, manufacturing, and sales of special vehicle parts. Established in 2003/2004, the company has nearly 20 years of experience in the industry and employs between 201 and 300 people. They operate a factory in the Fengnan industrial zone and are recognized as a leading supplier of fifth wheels in China, with an annual production capacity of up to 240,000 pieces. Their core product lines include various types and sizes of semi-trailer fifth wheels (2" and 3-1/2", including enhanced and lightweight versions), kingpins, suspension systems, mounting plates, and tractor traction saddles. Tangshan Longquan Machinery offers OEM and contract manufacturing services and holds certifications such as ISO 9001, IATF 16949 (formerly TS16949), and E-Mark. They collaborate with major truck manufacturers like Daimler, Sinotruk, Shacman, and Foton Daimler, exporting their products to international markets.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Patented technologyHolds multiple product or process patents.
Established brandFounded in 2004, with over 20 years of industry experience.
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Products
Products
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MOQ Range
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3-1/2" Fifth Wheel (Longquan make, lightweight type)
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2" Fifth Wheel (Longquan make)
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Customers
A AU AUTOMOBILE
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Certifications
ISO 90013
IATF 169493
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Product customization
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Description
Tangshan Fengnan District Changlong Industrial Co., Ltd is a professional equipment manufacturer based in Tangshan, China, specializing in the design and manufacture of continuous casting machines and supporting rolling machinery. Established over ten years ago, the company operates a factory equipped with over 20 sets of large and medium-sized special equipment, demonstrating significant manufacturing capacity. They possess strong technical capabilities, supported by a professional design institute and senior engineers utilizing CAD-aided design and advanced processing technology. The company's product portfolio includes various arc continuous casting machines (R2.5m to R10m) for producing square, rectangular, and round billets, as well as rolling mills and continuous rolling mills that can be integrated with continuous casting machines. They also offer specific components such as steel ladles, tundishes, hydraulic shears, billet cutters, and electric induction melting furnaces. Tangshan Fengnan District Changlong Industrial Co., Ltd emphasizes standardized design, modern management, and continuous innovation by applying advanced domestic and international technologies. Their products are sold domestically across various Chinese provinces and exported to over 15 countries and regions, including Indonesia, India, Thailand, Malaysia, and Egypt.
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Cangzhou Longquan Ductile Casting Co., Ltd.
🇨🇳 China
200651-100 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Key market
Europe
Description
Cangzhou Longquan Ductile Casting Co., Ltd. is a professional manufacturer and trading company based in Cangzhou, China, specializing in ductile iron casting and precision steel castings. Established in 2007, the company has grown to employ 51 to 100 people and operates as a subsidiary of Longquan Industries. With a professional casting workshop, advanced manufacturing and CNC machining equipment, and well-equipped testing facilities, Cangzhou Longquan Ductile Casting Co., Ltd. offers both OEM and ODM services. They are certified with ISO 9001 and have passed national quality supervision and test of building engineering certification. Their extensive product range includes various scaffolding accessories, formwork components, construction screws and nuts, pipe fittings, and machinery parts. Key products include wing nuts, tie rods, jack bases, prop nuts, formwork clamps, water stoppers, and a wide array of ductile iron castings (HT250-300, QT450-500). These products are widely used in construction, automotive, valve, and fireproof industries. The company has a strong international presence, exporting to South-East countries, Russia, Germany, Middle East countries, North America, and Western Europe, with an annual revenue ranging from US$2.5 Million to US$5 Million.
Casting Washered Iron Nut/Scaffolding Hex Nut
Scaffolding Nut
Casting Nut Scaffolding Parts
Scaffolding Hex Nut
Scaffolding Beam Universal Clamp
Scaffolding Formwork Beam Clamp
Scaffolding H2O Beam Clamp
Scaffolding Insert Pin
Ringlock Scaffolding Accessories Wedge Pin
Scaffolding Jack Base Plate U Head
Adjustable Steel Scaffolding Prop Sleeve
Scaffolding Prop
