2026 Top 10 Seamless Square Tube Manufacturers in China Tianjin

Tianjin Yuantai Ruibo Metal Products Co., Ltd

Tianjin Yuantai Ruibo Metal Products Co., Ltd., with its registered address located 300 meters west of the intersection of Science and Technology Avenue and Tuanbo Avenue in Daegu Zhuang Town, Jinghai District, Tianjin, is registered with the Jinghai District Market Supervision Administration of Tianjin. The legal representative is Zhao Lijin, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal structures; Solar power generation technology services; Sales of photovoltaic equipment and components; Sales of solar thermal power generation equipment; Operation of wires and cables; Wholesale of hardware products; Sales of building materials; Sales of insulation materials; Sales of anti-corrosion materials; Sales of rubber products; Sales of plastic products; Sales of power facilities and equipment; Sales of firefighting equipment; Manufacturing of metal materials. (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 Square Tube, Helical Ground Anchor, Galvanized Flat Iron

Tianjin Oubaige Metal Materials Sales Co., Ltd

Tianjin Oubaige Metal Materials Sales Co., Ltd., with its registered address at No. 56 Laiyu Road, Huanghuadian Town, Wuqing District, Tianjin City (centralized office area), is registered with the Market Supervision Administration of Wuqing District, Tianjin City. The legal representative is Fu Yancheng, and its business scope includes wholesale and retail of metal materials, stainless steel products, hardware and electrical equipment, building materials, and wrought iron products, as well as import and export of goods and technology (except for those prohibited by national regulations). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Square Tube, Oxidation Turning Cutting, Aluminum Bar

Tianjin Hangda Steel Trading Co., Ltd

Tianjin Hangda Steel Trading Co., Ltd. is registered at 2-1-702C, Qingdayuan, southwest of the intersection of Shuangjiang Road and Longxing Road, Shuangjie Town, Beichen District, Tianjin. The registration authority is the Market Supervision Administration of Beichen District, Tianjin, and the legal representative is Zhang Qingjie. Its business scope includes wholesale and retail of metal materials, stainless steel products, hardware and electrical equipment, rubber products, iron ore, iron ore powder, and mechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Square Tube, Steel Pipe Cutting, Special-Shaped Tube

Tianjin Fanggang Iron and Steel Co., Ltd

Tianjin Fanggang Iron and Steel Co., Ltd., with its registered address at No. 103, Building 1, Zone C, Jinzhong Science and Technology Park, Dabizhuang, Jinzhong Street, Dongli District, Tianjin, registered with the Market Supervision and Administration Bureau of Dongli District, Tianjin, and represented by Xu Zongbao as its legal representative. Its business scope includes steel pipe processing and sales; Wholesale and retail of metal materials, building materials, electromechanical products, hardware and electrical equipment, chemical products (excluding hazardous chemicals and easily produced drugs), computers and peripheral equipment, cultural and office supplies, agricultural equipment, and building decoration materials; Cleaning services, labor services (excluding dispatch): engaged 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 Square Tube, Seamless Steel Pipe, Square Tube 4.26

Tianjin Pulitong Steel Sales Co., Ltd

Tianjin Pulitong Iron and Steel Sales Co., Ltd., registered at B2-4, Trusted Industrial Park, Intersection of Shuangchen North Road and Shuangfeng Road, Shuangjie Town, Beichen District, Tianjin, registered with the Market Supervision Administration of Beichen District, Tianjin, with Cao Xuejie as the legal representative. Its business scope includes wholesale and retail of metal materials, pipes, profiles, plates, mechanical equipment, electronic products, hardware and electrical equipment, instruments and meters, and building materials; 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 Square Tube, Galvanized Square Tube, Galvanized Pipe

China Railway (Tianjin) Energy Equipment Co., Ltd

China Railway (Tianjin) Energy Equipment Co., Ltd., registered at No. 158, Investment Promotion Department, No. 58 Shuangjiang Road, Shuangjie Town, Beichen District, Tianjin, registered with the Market Supervision Administration of Beichen District, Tianjin, with Wang Ping as the legal representative. Its business scope includes general projects: sales of mechanical equipment; Sales of electronic specialized equipment; Electronic product sales; Sales of metal products; Sales of specialized machinery for tunnel construction; Sales of metal materials; Wholesale of hardware products; Wholesale of computer software, hardware, and auxiliary equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Square Tube, Seamless Steel Pipe, Natural Gas Transmission Pipeline

Tianjin Ruixin Youte Steel Trading Co., Ltd

Tianjin Ruixin Youte Steel Trading Co., Ltd., with its registered address located in the North Courtyard of Zhonglu Road, Zone C, Hanjiashu Steel Market, Qingguang Town, Beichen District, Tianjin, is registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin. The legal representative is Yao Likui, and the business scope includes general projects: sales of metal materials; Sales of building materials; Sales of metal products; Wholesale of hardware products; Steel rolling processing; Metal cutting processing services; Manufacturing of metal chains and other metal products; Import and export of goods; Sales of mechanical equipment; Sales of non-ferrous metal alloys; Sales of plastic products; Sales of mining machinery; Mechanical equipment leasing; Labor services (excluding labor dispatch); Technology import and export; Supply chain management services; Sales of steel reinforcement products for construction; Rolling and processing of non-ferrous metals; Sales of metal structures. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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 Square Tube, H-Beam, Steel Plate