2026 Top 10 Seamless Steel Pipe L290n Manufacturers in China

Donggong Special Steel (Tianjin) Co., Ltd

Donggong Special Steel (Tianjin) Co., Ltd., with its registered address at No. 58 Shuangjiang Road, Shuangjie Town, Beichen District, Tianjin, China. The registered authority is the Market Supervision Administration of Beichen District, Tianjin, and the legal representative is Zhang Lida. Its business scope includes general projects such as steel rolling and processing; Manufacturing of metal chains and other metal products; Sales of metal products; Sales of metal materials; Sales of mechanical equipment; Sales of electronic specialized equipment; Wholesale of hardware products. (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 Steel Pipe L290n, Square Tube, Seamless Tube

Tianjin Zihao Metal Sales Co., Ltd

Tianjin Zihao Metal Sales Co., Ltd., with its registered address at 31-2-802, Huating Liyuan Third District, west of Wanhui Road South Section, Zhongbei Town, Xiqing District, Tianjin City, is registered with the Market Supervision Administration of Xiqing District, Tianjin City. The legal representative is Yang Limeng, and its business scope includes general projects such as metal material sales; Wholesale of hardware products; Sales of high-quality special steel materials; Sales of valves and plugs; Sales of seals; Sales of mechanical equipment; Sales of building 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 Steel Pipe L290n, Boiler Tube, Alloy Tube

Tianjin Xintian Steel Heavy Industry Co., Ltd

Tianjin Xintian Steel Heavy Industry Co., Ltd., with its registered address at No. 12 Shuangjiang Road, Shuangjie Town, Beichen District, Tianjin, is registered with the Market Supervision Administration of Beichen District, Tianjin. The legal representative is Guo Lei, and its business scope includes general projects such as steel rolling processing; General equipment manufacturing (excluding special equipment manufacturing); General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Internet of Things technology services; Research and development of Internet of Things technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Environmental consulting services; Electronic product sales; Sales of instruments and meters; Furniture sales; Needle textile sales; Sales of mechanical equipment; Sales of metal products; Wholesale of hardware products; Retail of hardware products; Wholesale of automotive spare parts; Retail of automotive spare parts; Operation of wires and cables; Luggage sales; Import and export of goods; Technology import and export; Sales of metal materials; Sales of steel reinforcement products for construction. (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 Steel Pipe L290n, European Standard Tube, Seamless Tube

Tianjin Zhongtai Huaying Steel Sales Co., Ltd

Tianjin Zhongtai Huaying Iron and Steel Sales Co., Ltd., with its registered address at No. 17, Shuangchen Middle Road, Economic and Technological Development Zone, Shuangjie Town, Beichen District, Tianjin (within the premises of Hongyao Investment Company), is registered with the Market Supervision Administration of Beichen District, Tianjin. The legal representative is Xie Jiguang, and its business scope includes wholesale and retail of metal materials, hardware and electrical equipment, chemical products (excluding hazardous chemicals and precursor drugs), office supplies, and daily necessities; 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 Steel Pipe L290n, Seamless Steel Pipes For Petroleum Cracking, Seamless Steel Pipes For High-Pressure Fertilizer Equipment

Jingang Qicai (Shandong) Metal Materials Co., Ltd

Jingang Qicai (Shandong) Metal Materials Co., Ltd., with its registered address at No. 25 Yanlao 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 Zhou Liping, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal structures; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Sales of high-quality special steel materials; Retail of hardware products; Sales of building materials; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of forgings and powder metallurgy products; Sales of plastic products; Sales of rubber products; Sales of mechanical and electrical 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 Steel Pipe L290n, Gear, Brass

Tianjin Yitejia Steel Sales Co., Ltd

Tianjin Yitejia Iron and Steel Sales Co., Ltd., with its registered address at Room 1403-1, Building 2, Beichen Building, Beicang Town, Beichen District, Tianjin, registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin, and represented by Li Xiangqing as its legal representative. Its business scope includes wholesale and retail of steel, metal materials, building materials, chemical products (excluding dangerous goods and precursor drugs), and mineral products; Import and export business of goods and technology. (If the above business scope involves industry licenses, operate within the valid period with the license certificate. If there are special monopoly regulations in the country, handle them according to the regulations.). Core products: Seamless Steel Pipe L290n, Seamless Tube, Stainless Steel Channel

Shandong Wangao Special Steel Co., Ltd

Shandong Wangao Special Steel Co., Ltd. is registered at No. 112-7, Area A, Huitong Logistics Park, Heilongjiang Road, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, and the legal representative is Wang Hongli. The business scope includes the sales of steel pipes, steel materials, pipes, plates, building materials, profiles, stainless steel materials, hardware fittings, non-ferrous metal materials, and mechanical accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Steel Pipe L290n, Anti-Corrosion Steel Pipe, Galvanized Pipe