2026 Top 10 Seamless Black Square Pipe Manufacturers in China

Foshan Xinyuiyuan Steel Pipe Co., Ltd

Foshan Xinshuiyuan Steel Pipe Co., Ltd., with its registered address at No. 03, Steel World Avenue, B3 District, Lecong Town, Shunde District, Foshan City, Guangdong Province (registered address declared), is registered with the Market Supervision Administration of Shunde District, Foshan City. The legal representative is Li Hongwang, and the business scope includes general projects: sales of metal materials; Sales of metal products; Wholesale of hardware products; Metal surface treatment and heat treatment processing; Spray processing; Sales of high-quality special steel materials; Domestic trade agency; Steel rolling processing. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Seamless Black Square Pipe, Composite Steel Pipe, Anti-Corrosion Steel Pipe

Tianjin Guohong Pipe Industry Co., Ltd

Tianjin Guohong Pipe Industry Co., Ltd., with its registered address at Room 204, Gate 1, Building 1, Jingshuli, Hedong District, Tianjin, is registered with the Market Supervision Administration of Hedong District, Tianjin. The legal representative is Guonan, and its business scope includes general projects such as metal material sales; Sales of mechanical equipment; Sales of metal products; Wholesale of hardware products; Sales of building materials; Sales of high-quality special steel materials; Sales of non-ferrous metal alloys; Import and export of goods; Technology import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Black Square Pipe, Pipe Category, Packing Tape

Tianjin Seamless Pipe Industry Group Co., Ltd

Tianjin Seamless Pipe Industry Group Co., Ltd., registered at Room 109, No. 17 Shuangchen Middle Road, Tianjin Beichen Economic and Technological Development Zone, Beichen District, Tianjin, registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin, with Zeng Fanbo as the legal representative. Its business scope includes general projects: sales of metal materials; Sales of metal products; Sales of metal structures; Sales of metal tools; Sales of metal chains and other metal products; Sales of high-performance non-ferrous metals and alloy materials; Sales of new metal functional materials; Sales of high-quality special steel materials; Sales of metal wire ropes and their products; Sales of building materials; Sales of lightweight building materials; Sales of steel reinforcement products for construction; Sales of mechanical parts and components; Sales of mechanical equipment; Electronic product sales; Sales of instruments and meters; Sales of office supplies; Wholesale of hardware products; Retail of hardware products; Sales of non-metallic minerals and products; Sales of glass fiber reinforced plastic products; Sales of material handling equipment; Sales of insulation and soundproofing materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Seamless Black Square Pipe, Stainless Steel Pipe, Steel Plate

Tianjin Yuantai Derun Steel Co., Ltd

Tianjin Yuantai Derun Iron and Steel Co., Ltd., registered at Room C-318, Lixing Logistics Park, Junliangcheng Street, Dongli District, Tianjin, registered with the Market Supervision Administration of Dongli District, Tianjin, with Liu Wenjing as the legal representative. Its business scope includes wholesale and retail of metal materials, stainless steel products, hardware and electrical equipment, building materials, decoration materials, mechanical equipment and accessories; Engage in import and export business permitted by national laws and regulations. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Black Square Pipe, Steel, Galvanized Square Tube

Tianjin Hongyu Tailong Trading Co., Ltd

Tianjin Hongyu Tailong Trading Co., Ltd. is registered at No. 58 Shuangjiang Road, Shuangyuan Branch, Tianjin Beichen Economic and Technological Development Zone, Shuangjie Town, Beichen District, Tianjin. The registration authority is the Market Supervision Administration of Beichen District, Tianjin, and the legal representative is Wang Guiju. Its business scope includes wholesale and retail of metal materials, mechanical equipment, electronic products, hardware and electrical equipment, plumbing components, and iron ore. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Black Square Pipe, Cold Drawn Iron Wire, Reinforcement Mesh

Shandong Jiacheng Kaixin Materials Co., Ltd

Shandong Jiacheng Kaixin Materials Co., Ltd., with its registered address at No. 0801 Daqu Village, Daqu Industrial Park, Guangping Township, Dongchangfu District, Liaocheng City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Dongchangfu District, Liaocheng City. The legal representative is Zhao Rufang, and the business scope includes general projects: sales of metal materials; Sales of building materials; Retail of hardware products; Sales of metal chains and other metal products; Sales of metal structures; Sales of metal products; Sales of high-quality special steel materials; Sales of high-performance non-ferrous metals and alloy materials; Bearing sales; Domestic container cargo transportation agency. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Road freight transportation (excluding dangerous goods). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Seamless Black Square Pipe, Angle Channel Steel, Square Tube

Shandong Hetong Steel Pipe Co., Ltd

Shandong Hetong Steel Pipe Co., Ltd., with its registered address at No. 1-3, the street front building of Jiuyang Steel Pipe Warehouse, Wuyishan Road, Liaocheng Economic and Technological Development Zone, Shandong Province, is registered by the Market Supervision Administration of Liaocheng Economic and Technological Development Zone, and its legal representative is Wang Hedong. Its business scope includes steel pipe, steel, building materials, stainless steel materials, nonferrous metal materials, aluminum, casting parts, hardware and electrical equipment, scrap metal, and scrap recycling and sales. (For those that require a license to operate, operate with the license) (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments).. Core products: Seamless Black Square Pipe, Galvanized Pipe, Alloy Tube