Updated Sep 17, 2026 · Public platform & industry data

Sep 17, 2026 Updated

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2026 Top 10 Seamless Square Tube Manufacturers in China

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Top-rated Seamless Square Tube suppliers, How to choose a Seamless Square Tube manufacturer, Best Seamless Square Tube companies in China

The top 10 Seamless Square Tube manufacturers in China for 2026 are: Tianjin Jinbei Iron and Steel Co., Ltd, Foshan Kuankuan Stainless Steel Co., Ltd, Wuxi Yiqisheng Steel Co., Ltd, Jiangsu Qinding Metal Materials Co., Ltd, Wuxi Huachuang Tongyuan Metal Materials Co., Ltd, Wuxi Yuanhongwang Metal Materials Co., Ltd, Wuxi Yuntu Pipe Industry Co., Ltd, Tianjin Yougang Supply Chain Co., Ltd, Wuxi Shengyuanlu Metal Products Co., Ltd, Tianjin Guohong Pipe Industry Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Tianjin Jinbei Iron and Steel Co., Ltd
Overall Score4.9 / 5
Est. Date2017-03-16
Registered Capital5000K CNY

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

Top 2
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Foshan Kuankuan Stainless Steel Co., Ltd
Overall Score4.8 / 5
Est. Date2011-03-03
Registered Capital30000K CNY

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

Top 3
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Wuxi Yiqisheng Steel Co., Ltd
Overall Score4.8 / 5
Est. Date2022-06-15
Registered Capital20000K CNY

Wuxi Yiqisheng Iron and Steel Co., Ltd., registered at 1-7-471, Zone C, Jinshanbei Science and Technology Industrial Park, Liangxi District, Wuxi City, registered with the Administrative Approval Bureau of Liangxi District, Wuxi City. The legal representative is Hang Chao, and the business scope includes general projects: sales of metal materials; Sales of non-ferrous metal alloys; Sales of building materials; Sales of building decoration materials; Wholesale of hardware products; Retail of hardware products; Sales of metal products; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of rubber products; Import and export of goods; Technology import and export; Import and export agency; Sales of anti-corrosion materials; Sales of engineering plastics and synthetic resins (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, Cold Drawn Steel, Stainless Steel Plate

TOP4
Jiangsu Qinding Metal Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2019-03-18
Registered Capital10080K CNY

Jiangsu Qinding Metal Materials Co., Ltd., with its registered address at Room 261-3, Zone A, No. 32-1 Chengnan Road, Xinwu District, Wuxi City, is registered with the Administrative Approval Bureau of Wuxi National High tech Industrial Development Zone (Xinwu District, Wuxi City), and its legal representative is Zhang Jing. Its business scope includes licensed projects such as road freight transportation (excluding dangerous goods); Construction projects (projects that require approval by law and can only carry out business activities after approval by relevant departments, with specific business projects subject to approval results) General projects: sales of metal materials; Sales of metal products; Sales of building materials; Sales of building decoration materials; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Rolling and processing of non-ferrous metals; Technology import and export; Import and export of goods; Import and export agency; Wholesale of hardware products; Sales of mechanical parts and components; Sales of mechanical equipment; Wholesale of automotive spare parts; Sales of chemical products (excluding licensed chemical products); Sales of communication equipment; Economic and trade consulting; business management; Information consulting services (excluding licensed information consulting services); Corporate image planning; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Engineering management services (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 Series, Stainless Steel Processing Parts

TOP5
Wuxi Huachuang Tongyuan Metal Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2025-11-11
Registered Capital2000K CNY

Wuxi Huachuang Tongyuan Metal Materials Co., Ltd., registered at 22-8-732 Xihui Garden, Liangxi District, Wuxi City, with the registration authority of Wuxi Liangxi District Data Bureau and the legal representative of Ma Chuang, has a business scope including general projects such as sales of metal products; Sales of metal materials; Sales of metal structures; Sales of non-ferrous metal alloys; Sales of metal tools; Research and development of metal products; Sales of rubber products; Sales of mechanical equipment; Sales of chemical products (excluding licensed chemical products); Sales of forgings and powder metallurgy products; Sales of building materials; Sales of power electronic components; Operation of wires and cables; Sales of mechanical parts and components; Sales of office supplies; Wholesale 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, Stainless Steel Plate, Stainless Steel Patterned Plate

TOP6
Wuxi Yuanhongwang Metal Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2014-01-06
Registered Capital2080K CNY

Wuxi Yuanhongwang Metal Materials Co., Ltd., with its registered address at 88-505-824 Hui'an Road, Wuxi (Wuxi Optoelectronic New Material Technology Park), is registered with the Administrative Approval Bureau of Liangxi District, Wuxi City. The legal representative is Gao Huaikuan, and its business scope includes the sales of metal materials and products, building materials, general machinery and accessories, hardware, electrical machinery and 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, Galvanized Square Tube, Stainless Steel Square Tube

TOP7
Wuxi Yuntu Pipe Industry Co., Ltd
Overall Score4.6 / 5
Est. Date2020-06-29
Registered Capital5000K CNY

Wuxi Yuntu Pipe Industry Co., Ltd. is registered at Room C461, No. 32 Chengnan Road, Xinwu District, Wuxi City. The registration authority is the Administrative Approval Bureau of Wuxi National High tech Industrial Development Zone (Xinwu District, Wuxi City), and the legal representative is Kang Mengxue. The business scope includes general projects: sales of metal materials; Sales of building materials; Sales of mechanical equipment; Wholesale of hardware products; Sales of mechanical parts and components; Internet sales (except for the sale of goods that need permission) (except for items that need approval according to law, independently carry out business activities according to law with the business license). Core products: Seamless Square Tube, Low Alloy Square Tube, Low Alloy Welded Pipe

TOP8
Tianjin Yougang Supply Chain Co., Ltd
Overall Score4.6 / 5
Est. Date2023-06-28
Registered Capital100000K CNY

Tianjin Yougang Supply Chain Co., Ltd., with its registered address at 2-2-1001-1, Qingda Boya, Shuangjiang Road, Shuangjie Town, Beichen District, Tianjin, is registered with the Market Supervision Administration of Beichen District, Tianjin. The legal representative is Wang Dongdong, and the business scope includes general projects: supply chain management services; Sales of metal products; Sales of metal materials; Sales of building materials; Wholesale of hardware products; Retail of hardware products; Sales of mechanical equipment; Import and export of goods. (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, Plastic-Coated Pipe, Plastic-Lined Pipe

TOP9
Wuxi Shengyuanlu Metal Products Co., Ltd
Overall Score4.4 / 5
Est. Date2019-10-12
Registered Capital5000K CNY

Wuxi Shengyuanlu Metal Products Co., Ltd., with its registered address at S7048, No. 1001 Huicheng Avenue, Qianzhou Supporting Zone, Huishan Economic Development Zone, Wuxi. The registration authority is the Huishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Tan Yunbing. Its business scope includes the sales of metal products, metal materials, chemical products and raw materials (excluding hazardous chemicals), building materials, decorative materials, general machinery and accessories, electrical machinery and equipment, and hardware products; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Seamless Square Tube, Stainless Steel Decorative Pipe, Stainless Steel Round Bar

TOP10
Tianjin Guohong Pipe Industry Co., Ltd
Overall Score4.3 / 5
Est. Date2018-09-12
Registered Capital5000K CNY

Tianjin Guohong Pipe Industry Co., Ltd., with its registered address at Room 204, Gate 1, Building 1, Jingshuli, Hedong District, Tianjin, is registered with the Market Supervision Administration of Hedong District, Tianjin. The legal representative is Guonan, and its business scope includes general projects such as metal material sales; Sales of mechanical equipment; Sales of metal products; Wholesale of hardware products; Sales of building materials; Sales of high-quality special steel materials; Sales of non-ferrous metal alloys; Import and export of goods; Technology import and export. (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 Coil, C-Shaped Steel

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Tianjin Jinbei Iron and Steel Co., Ltd2017-03-16Seamless Square Tube, I-Beam, Weather Resistant Steel Plate5000K CNYSupported
Foshan Kuankuan Stainless Steel Co., Ltd2011-03-03Seamless Square Tube, Stainless Steel Round Tube, Stainless Steel Sanitary Pipe30000K CNYSupported
Wuxi Yiqisheng Steel Co., Ltd2022-06-15Seamless Square Tube, Cold Drawn Steel, Stainless Steel Plate20000K CNYSupported
Jiangsu Qinding Metal Materials Co., Ltd2019-03-18Seamless Square Tube, Square Tube Series, Stainless Steel Processing Parts10080K CNYSupported
Wuxi Huachuang Tongyuan Metal Materials Co., Ltd2025-11-11Seamless Square Tube, Stainless Steel Plate, Stainless Steel Patterned Plate2000K CNYSupported
Wuxi Yuanhongwang Metal Materials Co., Ltd2014-01-06Seamless Square Tube, Galvanized Square Tube, Stainless Steel Square Tube2080K CNYSupported
Wuxi Yuntu Pipe Industry Co., Ltd2020-06-29Seamless Square Tube, Low Alloy Square Tube, Low Alloy Welded Pipe5000K CNYNot Supported
Tianjin Yougang Supply Chain Co., Ltd2023-06-28Seamless Square Tube, Plastic-Coated Pipe, Plastic-Lined Pipe100000K CNYSupported
Wuxi Shengyuanlu Metal Products Co., Ltd2019-10-12Seamless Square Tube, Stainless Steel Decorative Pipe, Stainless Steel Round Bar5000K CNYNot Supported
Tianjin Guohong Pipe Industry Co., Ltd2018-09-12Seamless Square Tube, Galvanized Coil, C-Shaped Steel5000K CNYSupported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of seamless square pipes, it is recommended to prioritize the confirmation of key technical parameters such as wall thickness and edge length tolerances to ensure that they meet the load-bearing and assembly requirements of building structures or mechanical processing scenarios.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information. Such suppliers can usually provide industrial grade seamless square pipes that meet ASTM or EN standards stably.
  • When applied in the field of chemical equipment or shipbuilding, attention should be paid to the material corrosion resistance of seamless square pipes, such as differentiated options such as 304/316 stainless steel or galvanized carbon steel.
  • When purchasing seamless square pipes, it is recommended to prioritize enterprises that have long served high-frequency application scenarios such as rail transit and energy equipment, based on the industry data support of suppliers.

Knowledge Base

Q

What is a seamless rectangular tube

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs