2026 Top 10 Large Caliber Square Tube Manufacturers in China

Wuxi Duozhiyi Metal Products Co., Ltd

Wuxi Duozhiyi Metal Products Co., Ltd., located at Room A01-726, No. 893 Guangrui Road, Wuxi City, was established on March 19, 2026. The registered authority is Wuxi Liangxi District Data Bureau, and the legal representative is Cao Jianyu. Core products: Large Caliber Square Tube, Stainless Steel Coil, Stainless Steel Pipe

Shandong Xinqitai Metal Materials Co., Ltd

Shandong Xinqitai Metal Materials Co., Ltd., located at No. 73 Dongtun Village, Xuying Town, High tech Zone, Liaocheng City, Shandong Province, was established on August 25, 2023. The registration authority is the Market Supervision and Administration Bureau of Liaocheng High tech Industrial Development Zone, and the legal representative is Zhou Yuhua. Core products: Large Caliber Square Tube, Boiler Piping, Seamless Steel Pipe

Tangshan Kangting Trading Co., Ltd

Tangshan Kangting Trading Co., Ltd., with its registered address located on both sides of Nanxin 205 National Highway in Xiaochahe Village, Fengnan Town, Fengnan District, Tangshan City (No. A-20, Yingsheng Guomao Logistics Institute), is registered with the Fengnan District Market Supervision and Administration Bureau, and its legal representative is Ma Jinying. Its business scope includes wholesale and retail of black metal materials and mineral products, steel and its rolled products, copper and aluminum materials, hardware products, building materials (excluding lime and sand and gravel), mechanical equipment and its components, rubber and rubber products, water-based coatings, ceramic products, daily necessities, refractory materials, anti-corrosion materials (excluding hazardous chemicals), insulation materials, stainless steel products, labor protection supplies, and environmental protection equipment; Cold processing of steel; Machine tool processing (prohibited from engaging in business activities prohibited or restricted by industrial policies in this province) (projects that require approval by law can only be carried out after approval by relevant departments)*. Core products: Large Caliber Square Tube, Black Rectangular Tube, Hot Rolled Steel Strip

Guangdong Lecong Steel World Co., Ltd

Guangdong Lecong Steel World Co., Ltd., with its registered address at 1st Floor, Building 1, Guotong Chuangke Park, No.1 Gangfu Road, Lecong Town, Shunde District, Foshan City, Guangdong Province, is registered with the Market Supervision and Administration Bureau of Shunde District, Foshan City. The legal representative is Zheng Jiabin, and the business scope includes general projects such as non residential real estate leasing; Housing rental; Engaging in investment activities with self owned funds; Domestic trade agency; Advertising production; Advertising design and agency; Advertising release; Conference and exhibition services; Domestic freight forwarding agent; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals). (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: Large Caliber Square Tube, Stainless Steel Furniture Pipe, Stainless Steel Square Tube

Tianjin Yixinglong Steel Sales Co., Ltd

Tianjin Yixinglong Iron and Steel Sales Co., Ltd., registered at No. 31-1, Zone E, Hanjiashu Steel Market, Qingguang Town, Beichen District, Tianjin, registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin, with Meng Fanbo as the legal representative. Its business scope includes wholesale and retail of metal materials, building materials, machinery and equipment, electronic products, instruments and meters, hardware and electrical equipment, and plumbing equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Caliber Square Tube, Hardfacing Wear Plate, Square Tube

Shandong Yousheng Pipeline Technology Co., Ltd

Shandong Yousheng Pipeline Technology Co., Ltd., with its registered address at 1315, 13th floor, Building 12, Xingguang International Financial Center, Dongchang East Road, Dongcheng Street, Liaocheng Economic and Technological Development Zone, Shandong Province, China. The registration authority is the Market Supervision Administration of Liaocheng Economic and Technological Development Zone, and the legal representative is Zhang Jianzhong. Its business scope includes general projects such as research and development of high-efficiency energy-saving technologies in the power industry; Sales of metal materials; Sales of metal products; Sales of metal structures; Sales of non-ferrous metal alloys; Sales of power facilities and equipment; Sales of high-performance non-ferrous metals and alloy materials; Sales of high-quality special steel materials; Sales of mechanical equipment; Sales of mechanical parts and components; Retail of hardware products; Sales of building materials; Sales of forgings and powder metallurgy products; Sales of signs for transportation and public management; 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: Large Caliber Square Tube, Hot Rolled Seamless Steel Pipe, Seamless Steel Pipe

Shandong Youpeng Steel Pipe Manufacturing Co., Ltd

Shandong Youpeng Steel Pipe Manufacturing Co., Ltd., registered at No. 101, Yilian Machinery Manufacturing Co., Ltd., No.1 Laoshan Road, Liaocheng Economic and Technological Development Zone, Shandong Province, registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, with Jia Xilian as the legal representative. Its business scope includes the sales of steel pipes, steel plates, round steel, profiles, and stainless steel materials; Production and sales of seamless steel pipes, special-shaped pipes, and square and rectangular pipes. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Caliber Square Tube, Exquisite Steel Square Tube, Seamless Square Tube