Updated Oct 4, 2026 · Public platform & industry data

Oct 4, 2026 Updated

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2026 Top 10 Large Diameter Welded Steel Pipe Manufacturers in China

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Top-rated Large Diameter Welded Steel Pipe suppliers, How to choose a Large Diameter Welded Steel Pipe manufacturer, Best Large Diameter Welded Steel Pipe companies in China

The top 10 Large Diameter Welded Steel Pipe manufacturers in China for 2026 are: Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd, Cangzhou Huadun Pipeline Technology Co., Ltd, Cangzhou Dashengchang Pipeline Co., Ltd, Guangdong Jianggang Pipe Industry Co., Ltd, Foshan Jiandong Pipe Industry Co., Ltd, Cangzhou Guangyi Pipeline Manufacturing Co., Ltd, Cangzhou Xingsong Anti corrosion and Insulation Engineering Co., Ltd, Shandong Shengbao Pipeline Technology Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Cangzhou Youhao Pipeline 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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Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd
Overall Score4.9 / 5
Est. Date2014-05-15
Registered Capital51990K CNY

Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd., with its registered address in Puwa Industrial Park, Yanshan County, is registered with the Market Supervision Administration of Yanshan County, and its legal representative is Liu Wenhui. Its business scope includes the production of steel pipes, pipe fittings, anti-corrosion steel pipes, insulation steel pipes, pipeline equipment and accessories, valves, spiral steel pipes, straight seam steel pipes, coated composite steel pipes, epoxy powder anti-corrosion steel pipes, water supply coated steel pipes, TPEP anti-corrosion steel pipes, socket type coated steel pipes, special rubber rings for socket type steel pipes, 3PE anti-corrosion steel pipes, external PE anti-corrosion steel pipes, lined plastic steel pipes, coated composite steel pipes for underground coal mines, steam insulation steel pipes and fittings, anti-corrosion equipment and socket type steel pipe production equipment; Sales of special rubber rings for socket steel pipes. To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical equipment, spare parts, raw materials and technologies required by our enterprise, except for goods 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: Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Pipe Support

Top 2
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Cangzhou Huadun Pipeline Technology Co., Ltd
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: Large Diameter Welded Steel Pipe, Hot Dip Plastic Conduit, Spiral Steel Pipe

Top 3
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Cangzhou Dashengchang Pipeline Co., Ltd
Overall Score4.8 / 5
Est. Date2015-09-11
Registered Capital5000K CNY

Cangzhou Dashengchang Pipeline Co., Ltd., registered at 35-108 Xingye Road, Cangzhou Economic Development Zone, registered with the Market Supervision and Administration Bureau of Cangzhou Economic Development Zone, with Lu Junxian as the legal representative. Its business scope includes wholesale and retail of steel, pipes, instruments, hardware, building materials (excluding sand and gravel), anti-corrosion materials, and insulation materials (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Large Diameter Welded Steel Pipe, Anti-Corrosion Steel Pipe, Insulated Steel Pipe

TOP4
Guangdong Jianggang Pipe Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2018-01-19
Registered Capital33000K CNY

Guangdong Jianggang Pipe Industry Co., Ltd., with its registered address at No. 08, Zhong'er Road, F3 District, Guangdong Lecong Steel World, Lecong Town, Shunde District, Foshan City, is registered with the Market Supervision Administration of Shunde District, Foshan City. The legal representative is Zou Zhenxiang, and its business scope includes general projects such as metal material sales; Sales of building materials; Leasing of construction machinery and equipment; Steel rolling processing; Manufacturing of metal structures. (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: Large Diameter Welded Steel Pipe, Steel Casing, I-Beam

TOP5
Foshan Jiandong Pipe Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2015-06-26
Registered Capital5000K CNY

Foshan Jiandong Pipe Industry Co., Ltd., registered at No. 06, Steel World Avenue, F4 Zone, Guangdong Lecong Steel World, Lecong Town, Shunde District, Foshan City, Guangdong Province, is registered with the Market Supervision Administration of Shunde District, Foshan City. The legal representative is Zhang Xiaolin, and the business scope includes the sale of steel pipes, water pipes and accessories, and metal materials; Domestic commercial and material supply and marketing industry (projects that require approval by law must be approved by relevant departments before conducting business activities) (Projects that require approval by law must be approved by relevant departments before conducting business activities). Core products: Large Diameter Welded Steel Pipe, Cast Iron Pipe, Anti-Corrosion Steel Pipe

TOP6
Cangzhou Guangyi Pipeline Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2023-03-29
Registered Capital50000K CNY

Cangzhou Guangyi Pipeline Manufacturing Co., Ltd., with its registered address in Yemaoli Village, Wangshu Town, Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau. Its legal representative is He Kangle, and its business scope includes general projects such as building decoration, manufacturing of plumbing pipe parts and other metal products for construction; Manufacturing of metal fittings for construction; Manufacturing of metal products for safety and firefighting purposes; Metal surface treatment and heat treatment processing; Steel rolling processing; Sales of insulation materials; Sales of steel reinforcement products for construction; Sales of non-ferrous metal alloys. (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: Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Anti-Corrosion Steel Pipe

TOP7
Cangzhou Xingsong Anti corrosion and Insulation Engineering Co., Ltd
Overall Score4.6 / 5
Est. Date2023-07-28
Registered Capital10000K CNY

Cangzhou Xingsong Anti corrosion and Insulation Engineering Co., Ltd., registered at Room 401, 4th floor, Hebei Xingsong Pipeline Technology Co., Ltd., Wulong Shuanggao Industrial Park, Cangxian County, Cangzhou City, Hebei Province, China. The registered authority is Cangxian Market Supervision Administration Bureau, and the legal representative is Liu Enxuan. The business scope includes general projects: sales of anti-corrosion materials; Sales of insulation materials; External contracting projects; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of metal materials; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of pipeline transportation equipment; Sales of metal materials; Sales of metal structures; Sales of plastic products; Retail of hardware products; Manufacturing of hardware products; Wholesale of hardware products; Sales of valves and plugs; Sales of seals; Sales of metallurgical specialized equipment; Sales of metal tools; Installation services for ordinary mechanical 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: Large Diameter Welded Steel Pipe, Polyurethane Steel Pipe, Steel Sleeve Steel Pipe

TOP8
Shandong Shengbao Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2017-08-04
Registered Capital108160K CNY

Shandong Shengbao Pipeline Technology Co., Ltd., with its registered address located at the north of Xishou Road, Jinshan Street, Xin'an Street, Anqiu City, Weifang City, Shandong Province, is registered with the Anqiu Market Supervision Administration Bureau. The legal representative is Wang Zengfeng, and the business scope includes general projects such as metal surface treatment and heat treatment processing; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal materials; Sales of metal products; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Sales of engineering plastics and synthetic resins; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Production of chemical products (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Installation services for ordinary mechanical equipment; Research and development of emerging energy technologies; Research and development of resource recycling technology; Promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Import and export of goods; Technology import and export. (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) Licensed project: construction project construction; Manufacturing of special equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Large Diameter Welded Steel Pipe, Insulated Pipeline, Fiberglass Chimney

TOP9
Jiangyin Fulei Steel Plate Processing Co., Ltd
Overall Score4.4 / 5
Est. Date2007-07-05
Registered Capital60000K CNY

Jiangyin Fulei Steel Plate Processing Co., Ltd., with its registered address located in Qiaoqi Industrial Park, Xuxiake Town, Jiangyin City (south of Yingbin Avenue), is registered with the Jiangyin Administrative Approval Bureau and represented by Huang Lei as its legal representative. Its business scope includes steel plate processing; Manufacturing, processing, and sales of metal structures, mechatronics equipment, and spare parts; Sales of hardware products, electrical equipment, and metal materials; Import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies restricted or prohibited by the state for enterprise operation or import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Welded Steel Pipe, Stainless Steel Sheet Metal Parts, Corrugated Sheet

TOP10
Cangzhou Youhao Pipeline Co., Ltd
Overall Score4.4 / 5
Est. Date2017-08-03
Registered Capital20000K CNY

Cangzhou Youhao Pipeline Co., Ltd. is located on the east side of Changhui Line in Puwacheng Industrial Zone, Yanshan County. The registered authority is the Market Supervision Administration of Yanshan County, and the legal representative is Wang Yongyuan. The business scope includes the sales of steel pipes, fittings, anti-corrosion and insulation pipelines, insulation steel pipes, anti-corrosion steel pipes, 3PE natural gas anti-corrosion steel pipes, steam pipelines, anti-corrosion steel pipes for drinking water, anti-corrosion and insulation fittings, steel, anti-corrosion materials, insulation materials, ductile iron pipes, valves, coated composite steel pipes, and the import and export business of the above products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Spiral Steel Pipe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd2014-05-15Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Pipe Support51990K CNYNot Supported
Cangzhou Huadun Pipeline Technology Co., Ltd2021-05-18Large Diameter Welded Steel Pipe, Hot Dip Plastic Conduit, Spiral Steel Pipe100000K CNYNot Supported
Cangzhou Dashengchang Pipeline Co., Ltd2015-09-11Large Diameter Welded Steel Pipe, Anti-Corrosion Steel Pipe, Insulated Steel Pipe5000K CNYSupported
Guangdong Jianggang Pipe Industry Co., Ltd2018-01-19Large Diameter Welded Steel Pipe, Steel Casing, I-Beam33000K CNYSupported
Foshan Jiandong Pipe Industry Co., Ltd2015-06-26Large Diameter Welded Steel Pipe, Cast Iron Pipe, Anti-Corrosion Steel Pipe5000K CNYSupported
Cangzhou Guangyi Pipeline Manufacturing Co., Ltd2023-03-29Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Anti-Corrosion Steel Pipe50000K CNYNot Supported
Cangzhou Xingsong Anti corrosion and Insulation Engineering Co., Ltd2023-07-28Large Diameter Welded Steel Pipe, Polyurethane Steel Pipe, Steel Sleeve Steel Pipe10000K CNYSupported
Shandong Shengbao Pipeline Technology Co., Ltd2017-08-04Large Diameter Welded Steel Pipe, Insulated Pipeline, Fiberglass Chimney108160K CNYSupported
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05Large Diameter Welded Steel Pipe, Stainless Steel Sheet Metal Parts, Corrugated Sheet60000K CNYSupported
Cangzhou Youhao Pipeline Co., Ltd2017-08-03Large Diameter Welded Steel Pipe, Plastic-Coated Steel Pipe, Spiral Steel Pipe20000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of large-diameter welded steel pipes, it is recommended to prioritize confirming key technical parameters such as pipe diameter, wall thickness, and material grade to ensure compliance with pressure requirements in different scenarios such as water transportation, oil and gas transportation, or structural support.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information, especially suitable for long-term stable supply cooperation evaluation in municipal engineering or energy fields.
  • In high-pressure pipelines or corrosive environments, attention should be paid to welding processes and anti-corrosion treatment levels, while combining industry data from suppliers to support the assessment of their technical reliability.
  • For different project scales, industry performance and production capacity data from multiple suppliers can be compared to balance delivery cycles and cost-effectiveness. For example, in water conservancy projects, it is often necessary to balance bulk procurement and transportation efficiency.

Knowledge Base

Q

Key points for selecting welding materials for Q345C large-diameter steel pipes Q345C belongs to low-alloy high-strength structural steel with a carbon equivalent of about 0.39%~0.40%. Its weldability is acceptable, but when the wall thickness of large-diameter steel pipes is large, the quenching hardening and cold cracking tendency of the heat affected zone will increase. The selection of welding materials should take into account both strength matching and low hydrogen requirements. 1. Welding rod arc welding: recommended

Q

The material classification of large-diameter anti-corrosion welded steel pipes is diverse, and the common classifications are as follows: 1. * * Carbon steel material * *: The carbon content is generally between 0.0218% and 2.11%, with certain strength and toughness, low cost, and wide application. Q235 material steel pipe, capable of withstanding certain pressure, commonly used in building structures, water pipelines, etc

Q

This article explores the welding speed of 1200mm diameter steel pipes, analyzes the key factors affecting welding efficiency, including welder techniques, welding methods, and environmental conditions, and provides practical recommendations.

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