2026 Top 10 Seamless Tube Manufacturers in China Yunnan

Yunnan Gangzhenfeng Industrial Co., Ltd

Yunnan Gangzhenfeng Industrial Co., Ltd., registered at No. 6, Linxi Road, Nijiaying Boxun Logistics Park, Nijiaying Community Neighborhood Committee, Luoyang Street Office, Economic Development Zone, Kunming Area, China (Yunnan) Pilot Free Trade Zone, registered with Kunming Market Supervision and Administration Bureau and represented by Yi Shanhao as the legal representative. Its business scope includes general projects such as plastic product manufacturing; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing and processing of architectural ceramic products; Manufacturing of specialized machinery and equipment for water resources; Manufacturing of hardware products; Sales of pumps and vacuum equipment; Valve and plug research and development; Installation services for ordinary mechanical equipment; Sales of pipeline transportation equipment; Wholesale of hardware products; Retail of hardware products; Sales of plastic products; Sales of valves and plugs; Sales of construction machinery; Engineering management services; Sales of metal materials; Sales of building materials; Sales of building decoration materials; Sales of mechanical equipment; Mechanical equipment leasing; Sales of metal products; Sales of office equipment; Specialized equipment repair; Retail of computer software, hardware, and auxiliary equipment; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of metal cutting and welding equipment; Manufacturing of metal structures; Sales of metal structures; Sales of building blocks; Sales of metal fittings for construction; Sales of steel reinforcement products for construction; Steel rolling processing; Sales of fasteners; Sales of building waterproofing membrane products; Sales of rubber products; Electronic product sales; Sales of instruments and meters; Wholesale of electronic components; Sales of firefighting equipment; Retail of electronic components; Sales of electronic specialized equipment; Industrial engineering design services; Wholesale of automotive spare parts; Retail of automotive spare parts; Sales of automotive decorative products; Sales of electronic components and electromechanical equipment; Repair of communication equipment; Production of bearing steel products; Bearing sales; Residential water and electricity installation and maintenance services; External contracting projects; Sales of anti-corrosion materials; Information system operation and maintenance services; Fire technology services; Design and construction services for security technology prevention systems; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Domestic trade agency. (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 Tube, Plastic-Coated Steel Pipe, Electric Immersion Tube

Yunnan Hongchu Trading Co., Ltd

Yunnan Hongchu Trading Co., Ltd. is registered at Room 3003, Building D4, Baoxiang Logistics Center, Dachong Community, Luoyang Street Office, Kunming Economic Development Zone, China (Yunnan) Pilot Free Trade Zone. The registration authority is Kunming Market Supervision Administration Bureau, and the legal representative is Ding Rongchang. The business scope includes domestic trade and material supply and marketing (projects that require approval according to law can only be carried out after approval by relevant departments).. Core products: Seamless Tube, Spiral Welded Pipe, Steel Strand

Yunnan Chiyu Building Materials Co., Ltd

Yunnan Chiyu Building Materials Co., Ltd., with its registered address at No. 1, Building 7, Zone E, Baoxiang Logistics Center, Dachong Industrial Park, Economic Development Zone, Kunming City, Yunnan Province, is registered with the Kunming Municipal Administration for Market Regulation. The legal representative is Dai Longsheng, and its business scope includes metal structure manufacturing; Sales of building materials and decorative materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Tube, Manhole Cover, Wooden Formwork

Yunnan Ganhui Trading Co., Ltd

Yunnan Ganhui Trading Co., Ltd., registered at Room 2003, Building D4, Baoxiang Logistics Center, Dachong Industrial Park, Dachong Community, Luoyang Street Office, Economic Development Zone, Kunming Area, China (Yunnan) Pilot Free Trade Zone, registered with Kunming Market Supervision Administration Bureau, with Hu Huangqin as the legal representative. Its business scope includes general projects: sales of building materials; Sales of metal materials; Wholesale of hardware products; Domestic trade agency; Leasing of construction machinery and equipment (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 Tube, Color Steel Tile, Steel Structure Fabrication

Yunnan Baiqin Trading Co., Ltd

Yunnan Baiqin Trading Co., Ltd., with its registered address at No. 4005, Building 11, Tiejijun Logistics Park, Hongxi Road 4-2 to 4-5, Information Industry Base, Luoyang Street Office, Kunming Economic Development Zone, China (Yunnan) Pilot Free Trade Zone, registered with Kunming Municipal Administration for Market Regulation and represented by Huang Zhimeng as the legal representative. Its business scope includes the sales of building materials, hardware and electrical equipment, metal materials, mechanical equipment, hardware products, and electronic products; Domestic trade, material supply and marketing (strictly prohibited from involving hazardous chemicals, ammonia refrigeration industry, and nationally restricted prohibited products) (strictly prohibited from engaging in restricted or prohibited industries in this area's industrial policies) (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Seamless Tube, Stainless Steel Plate, Deformed Steel Bar

Yunnan Dihong Trading Co., Ltd

Yunnan Dihong Trading Co., Ltd., with its registered address at No. 505, Office Building 2, Tiejijun Logistics Park, Hongxi Road, Luoyang Street Office, Kunming Economic Development Zone, Yunnan Province. The registration authority is Kunming Market Supervision Administration, and the legal representative is Lai Wenqin. Its business scope includes the sales of building materials, mechanical equipment, hardware products, electronic products, and metal materials; Steel structure engineering; Design, produce, represent, and publish various types of domestic advertisements; Development and application of computer software and hardware. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Tube, Galvanized Coil, Steel Structure Fabrication

Yunnan Gangyi Trading Co., Ltd

Yunnan Gangyi Trading Co., Ltd. is registered at Room 101, Building 1007, No. 1, Tiejiji Logistics Park, Hongxi Road, Guolin Community, Luoyang Street Office, Economic Development Zone, Kunming Area, China (Yunnan) Pilot Free Trade Zone. The registered authority is Kunming Market Supervision Administration, and the legal representative is Zhang Kuangping. The business scope includes licensed projects such as construction engineering design. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: domestic trade agency; Manufacturing of metal structures; Mold manufacturing; Mold sales; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Sales of building materials; Wholesale of hardware products; Engineering cost consulting services; Mechanical equipment leasing; Technology intermediary services; Operation of road freight transport stations; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing and processing of doors and windows; Steel rolling processing; Rolling and processing of non-ferrous metals; Non metallic waste and debris processing; Processing and treatment of metal waste and debris; Retail of hardware products; Operation of wires and cables; Sales of valves and plugs; Sales of insulation materials; Sales of lightweight building materials; Sales of building blocks; Fiber optic cable sales; Fiber optic sales; Sales of anti-corrosion materials; Wholesale of daily necessities; Sales of daily necessities; Sales of non-metallic minerals and products; Sales of metal materials; Municipal facility management; Sales of metal wire ropes and their products; Sales of new metal functional materials; Sales of metal chains and other metal products; Sales of metal cutting and welding equipment; Sales of metal cutting machine tools; Sales of high-performance non-ferrous metals and alloy materials; Sales of concrete structural components; Road freight transportation of ordinary freight vehicles with a total weight of 4.5 tons or less (excluding online freight and dangerous goods); Sales of building waterproofing membrane products; Sales of refractory materials; Bearing sales. (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 Tube, H-Beam, Galvanized Pipe