2026 Top 10 Seamless Square Tube Manufacturers in China

Tianjin Jinbei Iron and Steel Co., Ltd

Tianjin Jinbei Iron and Steel Co., Ltd., registered at D-64 Hanjiashu Steel Market, Qingguang Town, Beichen District, Tianjin, registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin, with Kong Xiangchao as the legal representative. Its business scope includes general projects: sales of metal materials; Sales of pipeline transportation equipment; Sales of instruments and meters; Sales of communication equipment; Sales of electrical and mechanical equipment; Sales of mechanical equipment; Wholesale of hardware products; Wholesale of computer software, hardware, and auxiliary equipment. (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, I-Beam, Weather Resistant Steel Plate

Jiangsu Zhongtonglian Dragon Metal Products Co., Ltd

Jiangsu Zhongtonglian Long Metal Products Co., Ltd., with its registered address at Room 3368, No. 32 Chengnan Road, Xinwu District, Wuxi City, is registered with the Wuxi High tech Industrial Development Zone (Xinwu District, Wuxi City) Data Bureau. The legal representative is Wang Lianlian, and the business scope includes general projects: sales of metal products; Sales of metal materials; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Wholesale of hardware products; Sales of building decoration materials; Sales of metal ores; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Sales of mechanical parts and components; Sales of chemical products (excluding licensed chemical products); Sales of building materials; Wholesale of automotive spare parts; Sales of office supplies; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Sales of rubber products; Sales of plastic products; Sales of daily necessities (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Seamless Square Tube, Stainless Steel Plate, Stainless Steel Pipe

Wuxi Shengyuanlu Metal Products Co., Ltd

Wuxi Shengyuanlu Metal Products Co., Ltd., located at S7048, No. 1001 Huicheng Avenue, Qianzhou Supporting Zone, Huishan Economic Development Zone, Wuxi, was established on October 12, 2019. The registration authority is the Huishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Tan Yunbing. Core products: Seamless Square Tube

Foshan Kuankuan Stainless Steel Co., Ltd

Foshan Kuanyu Stainless Steel Co., Ltd., registered at 1705, 17th floor, Jinhai Creative Center, No. 142 Yuhe Road, Foshan New City, Lecong Community, Lecong Town, Shunde District, Foshan City, Guangdong Province (registered address declared), registered with the Market Supervision Administration of Shunde District, Foshan City, with Huang Kuanming as the legal representative. Its business scope includes general projects: sales of metal fittings for construction; Wholesale of hardware products; Retail of hardware products; Sales of metal materials; Sales of insulation materials; Software development; Network technology services; Research and development of metal products; Research and development of hardware products; Sales of metal structures; Sales of metal products; Sales of metal seals; Mold sales. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed projects: import and export of goods; Technology import and export; Various engineering construction activities.. Core products: Seamless Square Tube, Stainless Steel Round Tube, Stainless Steel Sanitary Pipe

Guangming Steel (Tianjin) Co., Ltd

Guangming Iron and Steel (Tianjin) Co., Ltd., with its registered address located 180 meters south of the intersection of Tuanwang Line and Hengtai Road in Daqiu Zhuang Town, Jinghai District, Tianjin, is registered with the Jinghai District Market Supervision Administration of Tianjin. The legal representative is Zhang Yongguang, and its business scope includes general projects such as metal material sales; Sales of metal structures; Sales of metal products; Sales of photovoltaic equipment and components; Sales of solar thermal power generation products; Sales of anti-corrosion materials; Sales of insulation materials; Wholesale of hardware products; Sales of building materials; Sales of plastic products; Sales of rubber products; Metal surface treatment and heat treatment processing; Steel rolling processing; 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 Square Tube, Thick Walled Seamless Square Tube, Square Tube

Wuxi Gangnuo Special Steel Co., Ltd

Wuxi Gangnuo Special Steel Co., Ltd., registered at Room 287-2, Building B, No. 168 Qiangao Road, Liangxi District, Wuxi City, with the registration authority of Wuxi Liangxi District Data Bureau and the legal representative of Gao Tinglei, operates in general projects including metal material manufacturing; Metal cutting processing services; Steel rolling processing; Mechanical parts and component processing; Sales of metal materials; Sales of metal products; Sales of building materials; Sales of mechanical equipment; Sales of electrical equipment; Retail of hardware products; Import and export of goods; Technology import and export; Import and export agency (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Seamless Square Tube, Square Tube, Rectangular Pipe

Shandong Zhongjia Metal Products Co., Ltd

Shandong Zhongjia Metal Products Co., Ltd., with its registered address at No. 425 Houtun Village, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone. The legal representative is Li Shujing, and the business scope includes general projects: sales of metal products; Sales of metal materials; Sales of rubber products; Sales of new metal functional materials; Sales of non-ferrous metal alloys; Sales of high-quality special steel materials; Sales of metal chains and other metal products; Sales of electrical equipment; Sales of building decoration materials; Sales of insulation materials; Wholesale of hardware products; Sales of building materials; Sales of metal fittings for construction; Sales of metal structures; Import and export of goods; Import and export agency; 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, Miner Steel, Rail