Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

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2026 Top 10 Longitudinal Seam Welded Pipe Manufacturers in China

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Top-rated Longitudinal Seam Welded Pipe suppliers, How to choose a Longitudinal Seam Welded Pipe manufacturer, Best Longitudinal Seam Welded Pipe companies in China

The top 10 Longitudinal Seam Welded Pipe manufacturers in China for 2026 are: Jiangsu Zhongtonglian Dragon Metal Products Co., Ltd, Hebei Zhongdong Pipeline Co., Ltd, Cangzhou Huadun Pipeline Technology Co., Ltd, Cangzhou Puxin Steel Pipe Co., Ltd, Hebei Hengtai Pipeline Technology Co., Ltd, Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd, Hebei Yifeng Pipeline Equipment Co., Ltd, Tianjin Chuanyang Iron and Steel Co., Ltd, Tianjin Haicheng Steel Union International Trade Co., Ltd, Sichuan Jufeng Changda Steel 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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Region FilterRegion
Top 1
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Jiangsu Zhongtonglian Dragon Metal Products Co., Ltd
Overall Score4.9 / 5
Est. Date2021-05-21
Registered Capital10000K CNY

Jiangsu Zhongtonglian Long Metal Products Co., Ltd., with its registered address at Room 3368, No. 32 Chengnan Road, Xinwu District, Wuxi City, is registered with the Wuxi High tech Industrial Development Zone (Xinwu District, Wuxi City) Data Bureau. The legal representative is Wang Lianlian, and the business scope includes general projects: sales of metal products; Sales of metal materials; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Wholesale of hardware products; Sales of building decoration materials; Sales of metal ores; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Sales of mechanical parts and components; Sales of chemical products (excluding licensed chemical products); Sales of building materials; Wholesale of automotive spare parts; Sales of office supplies; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Sales of rubber products; Sales of plastic products; Sales of daily necessities (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: Longitudinal Seam Welded Pipe, Stainless Steel Plate, Stainless Steel Pipe

Top 2
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Hebei Zhongdong Pipeline Co., Ltd
Overall Score4.8 / 5
Est. Date2018-01-25
Registered Capital68888.8K CNY

Hebei Zhongdong Pipeline Co., Ltd., located in Zhenggang Industrial Zone, Yanshan County (opposite to Yanbai Leisure Products Company), was established on January 25, 2018. The registration authority is Yanshan County Market Supervision Administration, and the legal representative is Guo Zhongjie. Core products: Longitudinal Seam Welded Pipe

Top 3
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Cangzhou Huadun Pipeline Technology Co., Ltd

South of Puyang Road East Section, Yanshan County Economic Development Zone, Cangzhou City, Hebei Province

Overall Score4.8 / 5
Est. Date2021-05-18
Registered Capital100000K CNY

Cangzhou Huadun Pipeline Technology Co., Ltd. is located in the economic development zone of Yanshan County, Cangzhou City, Hebei Province, on the south side of Puyang Road East Section. It was established on May 18, 2021, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Liu Zhenhong. Core products: Longitudinal Seam Welded Pipe

TOP4
Cangzhou Puxin Steel Pipe Co., Ltd

No. 012 Puhui Street, Puwacheng Industrial Park, Yanshan County Economic Development Zone, Cangzhou City, Hebei Province (inside Liwei Company)

Overall Score4.7 / 5
Est. Date2026-05-20
Registered Capital11880K CNY

Cangzhou Puxin Steel Pipe Co., Ltd. is located at No. 012 Puhui Street, Puwacheng Industrial Park, Yanshan County Economic Development Zone, Cangzhou City, Hebei Province (inside Liwei Company). It was established on May 20, 2026, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Liu Jinchao. Core products: Longitudinal Seam Welded Pipe

TOP5
Hebei Hengtai Pipeline Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2018-09-30
Registered Capital50000K CNY

Hebei Hengtai Pipeline Technology Co., Ltd., with its registered address located in Zhenggang Park, Yanshan Economic Development Zone, is registered with the Market Supervision Administration of Yanshan County and represented by Wang Junhai as its legal representative. Its business scope includes the research and utilization of pipeline coating, anti-corrosion, and insulation technologies; Production of steel pipes, fittings, flange series products, coated steel pipes, anti-corrosion steel pipes, insulated steel pipes, hot-dip plastic cable conduits, TPEP anti-corrosion steel pipes, anti-corrosion materials, insulation materials and high-density polyethylene outer protective sleeves, wear-resistant, ductile iron and other pipelines and pipeline accessories, transportation facilities, sign posts, pump pipes, concrete pump accessories, fabric dispensers, supports and hangers, rubber hoses, plates, wires, profiles, compensators, valves and pressure vessels; Selling steel pipes, sports equipment, machine tool accessories, hardware products, mechanical conveyors, and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Longitudinal Seam Welded Pipe, Steel Pipe, Coated Composite Steel Pipe

TOP6
Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd
Overall Score4.6 / 5
Est. Date2019-11-14
Registered Capital91000K CNY

Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd. is located at No. 156, Lijiapu Village, Wulongtang Township, Cangxian County, Cangzhou City, Hebei Province. It was established on November 14, 2019, with the registration authority being Cangxian Market Supervision Administration and the legal representative being Li Xiaoyang. Core products: Longitudinal Seam Welded Pipe

TOP7
Hebei Yifeng Pipeline Equipment Co., Ltd

Southwest of Lishidao Village, Changzhuang Township, Yanshan County

Overall Score4.6 / 5
Est. Date2019-09-17
Registered Capital6000K CNY

Hebei Yifeng Pipeline Equipment Co., Ltd., located in Lishidao Village, Changzhuang Township, Yanshan County, was established on September 17, 2019. The registered authority is the Yanshan County Market Supervision Administration, and the legal representative is Wang Wentao. Core products: Longitudinal Seam Welded Pipe

TOP8
Tianjin Chuanyang Iron and Steel Co., Ltd
Overall Score4.6 / 5
Est. Date2020-03-24
Registered Capital10000K CNY

Tianjin Chuanyang Iron and Steel Co., Ltd., with its registered address at 2703, Building 5, Chailou Xingyuan, Shuangjie Town, Beichen District, Tianjin, is registered with the Market Supervision Administration of Beichen District, Tianjin. The legal representative is Zhang Hongzheng, and its business scope includes general projects such as metal material sales; Sales of metal structures; Electronic product sales; Sales of labor protection equipment; Sales of office supplies; Wholesale of hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Longitudinal Seam Welded Pipe, Copper Rod, Angle Steel

TOP9
Tianjin Haicheng Steel Union International Trade Co., Ltd

2-202, Courtyard 6, Outer Ring Industrial Company, Fujin Road, Zhongbei Industrial Park, Zhongbei Town, Xiqing District, Tianjin City

Overall Score4.4 / 5
Est. Date2016-08-01
Registered Capital10000K CNY

Tianjin Haicheng Steel Union International Trade Co., Ltd. is located at 2-202, Courtyard 6, Outer Ring Industrial Company, Fujin Road, Zhongbei Industrial Park, Zhongbei Town, Xiqing District, Tianjin. It was established on August 1, 2016, with the registration authority of the Market Supervision Administration of Xiqing District, Tianjin, and the legal representative being Gao Jianjun. Core products: Longitudinal Seam Welded Pipe

TOP10
Sichuan Jufeng Changda Steel Co., Ltd

No. 5, 12th Floor, Building 10, No. 6 Jinfeng Road, Jinniu District, Chengdu City

Overall Score4.3 / 5
Est. Date2022-03-02
Registered Capital10000K CNY

Sichuan Jufeng Changda Steel Co., Ltd. is located at No. 5, 12th floor, Building 10, No. 6 Jinfeng Road, Jinniu District, Chengdu City. It was established on March 2, 2022, with the registration authority of Jinniu District Market Supervision Administration and the legal representative being Fu Yunqiang. Core products: Longitudinal Seam Welded Pipe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Zhongtonglian Dragon Metal Products Co., Ltd2021-05-21Longitudinal Seam Welded Pipe, Stainless Steel Plate, Stainless Steel Pipe10000K CNYSupported
Hebei Zhongdong Pipeline Co., Ltd2018-01-25Longitudinal Seam Welded Pipe68888.8K CNYSupported
Cangzhou Huadun Pipeline Technology Co., Ltd2021-05-18Longitudinal Seam Welded Pipe100000K CNYSupported
Cangzhou Puxin Steel Pipe Co., Ltd2026-05-20Longitudinal Seam Welded Pipe11880K CNYNot Supported
Hebei Hengtai Pipeline Technology Co., Ltd2018-09-30Longitudinal Seam Welded Pipe, Steel Pipe, Coated Composite Steel Pipe50000K CNYNot Supported
Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd2019-11-14Longitudinal Seam Welded Pipe91000K CNYSupported
Hebei Yifeng Pipeline Equipment Co., Ltd2019-09-17Longitudinal Seam Welded Pipe6000K CNYNot Supported
Tianjin Chuanyang Iron and Steel Co., Ltd2020-03-24Longitudinal Seam Welded Pipe, Copper Rod, Angle Steel10000K CNYSupported
Tianjin Haicheng Steel Union International Trade Co., Ltd2016-08-01Longitudinal Seam Welded Pipe10000K CNYNot Supported
Sichuan Jufeng Changda Steel Co., Ltd2022-03-02Longitudinal Seam Welded Pipe10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of straight seam welded pipes, it is recommended to prioritize confirming technical parameters such as pipe diameter, wall thickness, and material to ensure compatibility with practical application scenarios such as fluid transportation or structural load-bearing.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. These suppliers usually have more stable supply capabilities in the fields of oil pipelines or building steel structures.
  • Straight seam welded pipes are commonly used in drainage systems in municipal engineering. When purchasing, attention should be paid to the anti-corrosion coating process and weld strength indicators to meet the long-term usage requirements of underground environments.
  • Different specifications of straight seam welded pipes are suitable for low-pressure fluid transportation and mechanical manufacturing fields. It is recommended to choose carbon steel or alloy steel materials based on the pressure requirements of specific scenarios, and verify the supplier's production capacity and delivery cycle.

Knowledge Base

Q

This article analyzes whether welded pipes above 159mm are straight seam or seamless pipes, compares their manufacturing processes, performance characteristics, and applicable scenarios, and helps you choose the ideal pipe material according to your needs.

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