Updated Sep 1, 2026 · Public platform & industry data

Sep 1, 2026 Updated

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2026 Top 10 Large Caliber Square Tube Manufacturers in China

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

The top 10 Large Caliber Square Tube manufacturers in China for 2026 are: Wuxi Gangnuo Special Steel Co., Ltd, Liaocheng Qianhe Steel Pipe Co., Ltd, Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd, Wuxi Shengqingyuan Metal Products Co., Ltd, Wuxi Hushang Metal Materials Co., Ltd, Shandong Hongrun Metal Materials Co., Ltd, Xi'an Shunyi Metal Materials Co., Ltd, Wuxi Hongju Pipe Industry Co., Ltd, Wuxi Yuntu Pipe Industry Co., Ltd, Jiangsu Suju Iron and Steel Group 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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Wuxi Gangnuo Special Steel Co., Ltd
Overall Score4.9 / 5
Est. Date2013-04-08
Registered Capital1000K CNY

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: Large Caliber Square Tube, Seamless Steel Pipe, Q345q355 Square Tube

Top 2
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Liaocheng Qianhe Steel Pipe Co., Ltd
Overall Score4.8 / 5
Est. Date2012-03-05
Registered Capital1000K CNY

Liaocheng Qianhe Steel Pipe Co., Ltd. is registered at Building 01, Luanhe Road North and Lushan Road East, Liaocheng Development Zone. The registration authority is the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, and the legal representative is Yan Haifeng. Its business scope includes the sales, self operation, and agency of various commodities and technologies such as steel pipes, steel materials, profiles, plates, mechanical parts, building materials, hardware and electrical equipment. Projects that require approval by law can only be operated after approval by relevant departments.. Core products: Large Caliber Square Tube, Fine Extubation Tube, Bright Seamless Pipe

Top 3
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Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2020-06-29
Registered Capital1000K CNY

Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd., registered at No. 289 Fangcheng Avenue (Southern Stainless Steel Market), 2nd Floor, Building 4, No. 113, Xinwu District, Wuxi City. The registration authority is Wuxi High tech Industrial Development Zone (Xinwu District, Wuxi City) Data Bureau, and the legal representative is Zhang Xin. The business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Sales of mechanical equipment; Sales of metal materials; Sales of metal 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: Large Caliber Square Tube, Stainless Steel Welded Pipe, Desulfurization Tower Tray

TOP4
Wuxi Shengqingyuan Metal Products Co., Ltd
Overall Score4.7 / 5
Est. Date2024-05-10
Registered Capital5080K CNY

Wuxi Shengqingyuan Metal Products Co., Ltd., with its registered address at 15-3 Qianqiao Weilu Road, Huishan District, Wuxi City, is registered with the Administrative Approval Bureau of Huishan District, Wuxi City. The legal representative is Sheng Fengkuan, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal chains and other metal products; Sales of metal cutting machine tools; Sales of metal wire ropes and their products; Sales of metal cutting and welding equipment; Sales of metal structures; Sales of non-ferrous metal alloys; Wholesale of hardware products; Sales of high-quality special steel materials; Sales of building materials; Sales of mechanical equipment; Loading and unloading handling; Import and export of goods; 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: Large Caliber Square Tube, Cold Rolled Welded Pipe, Seamless Steel Pipe

TOP5
Wuxi Hushang Metal Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2018-10-18
Registered Capital5180K CNY

Wuxi Hushang Metal Materials Co., Ltd., with its registered address in Xizhang Community, Qianqiao Street, Huishan District, Wuxi City, is registered with the Huishan District Administrative Approval Bureau of Wuxi City. The legal representative is Deng Hongchuan, and the business scope includes general projects: sales of non-ferrous metal alloys; Wholesale of hardware products; Sales of mechanical parts and components; Import and export of goods; Technology import and export; Import and export agency; Manufacturing of metal materials; Metal cutting processing services (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: Large Caliber Square Tube, Welded Pipe Sales, Rectangular Pipe

TOP6
Shandong Hongrun Metal Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2020-07-06
Registered Capital3000K CNY

Shandong Hongrun Metal Materials Co., Ltd. is registered at No. 114-1 Xiaomengying Village, 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 Zhang Tongbo. The business scope includes the sales of steel pipes, ductile iron pipes, round steel, pipe blanks, plates, profiles, building materials, hardware products, aluminum plates, and copper plates. (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, Square Tube, Irregular Hexagonal Steel Pipe

TOP7
Xi'an Shunyi Metal Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2016-12-26
Registered Capital1000K CNY

Xi'an Shunyi Metal Materials Co., Ltd. is registered at No. 9, Row 2, Steel Market, No. 2 Afang Road, Lianhu District, Xi'an City. The registration authority is the Lianhu District Market Supervision and Administration Bureau of Xi'an City, and the legal representative is Wang Huaihui. The business scope includes general business projects such as wholesale and retail of steel pipes, steel, colored metal materials, and building materials. (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, Stainless Steel Pipe, Stainless Steel Seamless Pipe

TOP8
Wuxi Hongju Pipe Industry Co., Ltd
Overall Score4.6 / 5
Est. Date2016-03-14
Registered Capital5000K CNY

Wuxi Hongju Pipe Industry Co., Ltd., with its registered address at Room 671, Building B, No. 168 Qiangao Road, Shanbei Street, Liangxi District, Wuxi City, is registered with the Liangxi District Data Bureau of Wuxi City. The legal representative is Wei Hongli, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of building materials; Sales of metal fittings for construction; Mold sales; Sales of mechanical equipment; Sales of electrical equipment; Retail of hardware products (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: Large Caliber Square Tube, Squeezing Square Tube, Precision Square Tube

TOP9
Wuxi Yuntu Pipe Industry Co., Ltd
Overall Score4.4 / 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: Large Caliber Square Tube, Low Alloy Square Tube, Galvanized Square Tube

TOP10
Jiangsu Suju Iron and Steel Group Co., Ltd
Overall Score4.4 / 5
Est. Date2017-10-10
Registered Capital20080K CNY

Jiangsu Suju Iron and Steel Group Co., Ltd., with its registered address at Room 121, Building B, Guolian Metal Materials Market, No. 168 Qiangao Road, Liangxi District, Wuxi City, is registered with the Administrative Approval Bureau of Liangxi District, Wuxi City. The legal representative is Zhou Guanghui, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal structures; Sales of mechanical equipment; Sales of special equipment; Sales of high-quality special steel materials; Sales of metal chains and other metal products; Sales of steel reinforcement products for construction; Sales of building materials; Sales of lightweight building materials; Sales of metal fittings for construction; Sales of metal wire ropes and their products; Sales of non-metallic minerals and products; Sales of building decoration materials; Sales of non-ferrous metal alloys; Sales of building blocks; Sales of electrical equipment; Sales of communication equipment; Sales of office equipment; Sales of office supplies; Sales of labor protection equipment; Wholesale of hardware products; Operation of wires and cables; Bearing sales; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Manufacturing of metal structures; Manufacturing of hardware products; Manufacturing of metal materials; Steel rolling processing; Manufacturing of non-ferrous metal alloys; Research and development of metal 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: Large Caliber Square Tube, Rectangular Pipe, Seamless Square Tube

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Wuxi Gangnuo Special Steel Co., Ltd2013-04-08Large Caliber Square Tube, Seamless Steel Pipe, Q345q355 Square Tube1000K CNYSupported
Liaocheng Qianhe Steel Pipe Co., Ltd2012-03-05Large Caliber Square Tube, Fine Extubation Tube, Bright Seamless Pipe1000K CNYNot Supported
Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd2020-06-29Large Caliber Square Tube, Stainless Steel Welded Pipe, Desulfurization Tower Tray1000K CNYSupported
Wuxi Shengqingyuan Metal Products Co., Ltd2024-05-10Large Caliber Square Tube, Cold Rolled Welded Pipe, Seamless Steel Pipe5080K CNYSupported
Wuxi Hushang Metal Materials Co., Ltd2018-10-18Large Caliber Square Tube, Welded Pipe Sales, Rectangular Pipe5180K CNYSupported
Shandong Hongrun Metal Materials Co., Ltd2020-07-06Large Caliber Square Tube, Square Tube, Irregular Hexagonal Steel Pipe3000K CNYSupported
Xi'an Shunyi Metal Materials Co., Ltd2016-12-26Large Caliber Square Tube, Stainless Steel Pipe, Stainless Steel Seamless Pipe1000K CNYSupported
Wuxi Hongju Pipe Industry Co., Ltd2016-03-14Large Caliber Square Tube, Squeezing Square Tube, Precision Square Tube5000K CNYSupported
Wuxi Yuntu Pipe Industry Co., Ltd2020-06-29Large Caliber Square Tube, Low Alloy Square Tube, Galvanized Square Tube5000K CNYNot Supported
Jiangsu Suju Iron and Steel Group Co., Ltd2017-10-10Large Caliber Square Tube, Rectangular Pipe, Seamless Square Tube20080K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of large-diameter square tubes, it is recommended to prioritize confirming parameters such as wall thickness, edge length range, and material grade. These specifications directly affect the structural load-bearing and durability, and are commonly found in large steel structure buildings or bridge projects.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. For example, manufacturers who supply rail transit projects for a long time usually have stable production capacity and compliance qualifications.
  • In industrial equipment brackets or port machinery scenarios, large-diameter square tubes need to balance bending strength and anti-corrosion performance. When purchasing, suppliers can be required to provide relevant mechanical test reports or surface treatment process instructions.
  • The tolerance requirements for large-diameter square tubes vary greatly in different application scenarios. For example, precision instrument frames need to control dimensional deviations within ± 0.5mm, while ordinary storage shelves can relax the standards appropriately to reduce costs.

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