Shandong Duohe Import and Export Co., Ltd.
Shandong Duohe Import and Export Co., Ltd.
🇨🇳 China, Shandong
2005201-300 peopleManufacturer/Trading Company/Service Company/Wholesaler/DistributorShandong Duohe Import and Export Co., Ltd. is a prominent manufacturer and trading enterprise headquartered in Qingdao, China, with over a decade of expertise in the iron and steel industry. Operating three specialized factories, the company has evolved into a comprehensive steel service provider, integrating production, warehousing, and distribution. They maintain a substantial monthly inventory of approximately 70,000 tons to ensure rapid delivery for international and domestic clients. Their extensive product portfolio includes stainless steel plates, coils, and seamless pipes, as well as galvanized steel (GI/PPGL), carbon steel profiles, alloy steel, and aluminum extrusion profiles. These products are manufactured in strict accordance with international standards, including GB, ASTM, EN, and JIS. Shandong Duohe is recognized for its technical capabilities, offering OEM and ODM services supported by advanced processing equipment such as reversible rolling mills and precision polishing lines. The company holds multiple quality and management certifications, including ISO 9001, IATF 16949, ISO 14001, and BSCI. With an export rate of 80-90%, they serve a global market across North America, Europe, Asia, and the Middle East. Their reputation for reliability is further evidenced by their role as a supplier for major national infrastructure projects, including high-speed railway constructions for state-owned enterprises like China Railway Bureau Group. They cater to diverse industrial sectors such as engineering, machinery, power generation, and military applications.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Product customizationOffers full customization for design and features.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
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Factory Price Ductile Cast Iron Pipes Water Pressure Cast Iron Di Pipe
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Factory Price Ductile Cast Iron Pipes Water Pressure Cast Iron Di Pipe, Find Details and Price about Casting Iron Tube Pipe Ductile Iron Tube from Factory Price Ductile Cast Iron Pipes Water Pressure Cast Iron Di Pipe - Shandong Duohe Import and Export Co., Ltd$400
High-Quality Low-Cost Raw Materials C40 C30 C25 Ductile Iron Pipe 100mm
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High Quality 4/6/8 Inch 200mm 300mm 400mm Diameter Ductile Iron Pipe
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Ductile Cast Iron Pipe Manufacturer for Portable Water Transport
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ERW Iron Pipe 6 Meter Welded Steel Pipe Round ERW Black Carbon Steel Pipe
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ERW Iron Pipe 6 Meter Welded Steel Pipe Round ERW Black Carbon Steel Pipe, Find Details and Price about Casting Iron Tube Pipe Ductile Iron Tube from ERW Iron Pipe 6 Meter Welded Steel Pipe Round ERW Black Carbon Steel Pipe - Shandong Duohe Import and Export Co., Ltd$400
K9 C40 C30 C25 DN100 DN150 DN250 DN300 DN450 DN500 DN600 Ductile Cast Iron Pipe for Water Pipeline
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Customize Class C20 C25 C40 Ductile Iron Pipe Connection Elbows
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Ductile Iron Pipe 1000mm Flange Ductile Iron Pipe
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ISO2531 Polyurethane PU Coating Ductile Iron Pipes C40 K9 Drinking Water Pipe
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K7 K8 K9 Cement Coating Round Water Pressure Test Socket Spigot Ductile Iron Tube Pipe
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Manufacturer Large Size Water ISO2531 Casting PU Coating Ductile Iron Pipe for Drinking Water
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Manufacturer Large Size Water ISO2531 Casting PU Coating Ductile Iron Pipe for Drinking Water, Find Details and Price about Casting Iron Tube Pipe Ductile Iron Tube from Manufacturer Large Size Water ISO2531 Casting PU Coating Ductile Iron Pipe for Drinking Water - Shandong Duohe Import and Export Co., Ltd$400
High Quality Ductile Iron Pipe Black Bundles Ductile Iron Factory Processing
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Certifications
ISO 90015
IATF 169491
ISO 140011
BSCI1
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