Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Stainless Steel Flat Welding Flange Manufacturers in China

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Top-rated Stainless Steel Flat Welding Flange suppliers, How to choose a Stainless Steel Flat Welding Flange manufacturer, Best Stainless Steel Flat Welding Flange companies in China

The top 10 Stainless Steel Flat Welding Flange manufacturers in China for 2026 are: Hebei Fangqing Pipeline Manufacturing Co., Ltd, Shanghai Jingou Industrial Valve Co., Ltd, Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd, Cangzhou Zhuochen Pipeline Co., Ltd, Cangzhou Yousen Pipeline Co., Ltd, Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd, Hebei Weimai Metal Technology Co., Ltd, Hebei Zhenghua Environmental Protection Machinery Co., Ltd, Foshan Kuankuan Stainless Steel Co., Ltd, Zhejiang Wuyue Stainless 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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Top 1
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Hebei Fangqing Pipeline Manufacturing Co., Ltd
Overall Score4.9 / 5
Est. Date2013-09-03
Registered Capital10900K CNY

Hebei Fangqing Pipeline Manufacturing Co., Ltd., with its registered address in Puwa Development Zone, Yanshan County, is registered with the Market Supervision and Administration Bureau of Yanshan County, and its legal representative is Zhang Fang. Its business scope includes manufacturing elbows, tees, flanges, reducers, spring supports and hangers, pipe clamps, manholes, anti-corrosion, wear-resistant, insulation pipelines, fittings, filters, metal hoses, insulation joints, insulation flanges, air doors, power plant accessories, rubber soft joints, compensators, and waterproof sleeves. Sales of valves, plumbing fittings, groove fittings, hardware, PE fittings, gaskets, insulation materials, bolts, cable trays, heads, and pipe caps. To engage in the export business of self-produced products and technologies of the enterprise, as well as the import business of machinery, equipment, components, raw materials, and technologies required by the 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: Stainless Steel Flat Welding Flange, Head, Big End And Small End

Top 2
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Shanghai Jingou Industrial Valve Co., Ltd
Overall Score4.8 / 5
Est. Date2017-06-07
Registered Capital12000K CNY

Shanghai Jingou Industrial Valve Co., Ltd., registered at No. 28, Lane 9688, Puxing Road, Fengxian District, Shanghai, with the registration authority of Fengxian District Market Supervision Administration and the legal representative of Lan Meiling, is engaged in the manufacturing of general valves and plugs (excluding special equipment manufacturing); Valve and plug research and development; Sales of valves and plugs; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of industrial automatic control system devices; Manufacturing of pneumatic power machinery and components; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of intelligent instruments and meters; Manufacturing of general components; Manufacturing of instruments and meters; Manufacturing of mechanical and electrical equipment; Mechanical parts and component processing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export. (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: Stainless Steel Flat Welding Flange, Ball Valve , Gate Valve Series

Top 3
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Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2018-06-12
Registered Capital18000K CNY

Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd., whose registered address is located in the west of the road 400 meters north of memorial archway, Zhangguandian East, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered by the Market Supervision Administration of Mengcun Hui Autonomous County, and its legal representative is Fan Xiaoxue. Its business scope includes general projects: building decoration, plumbing pipe parts and other metal products for building; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of metal daily necessities; Sales of metal products; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of concrete structural components; Sales of concrete structural components; Mechanical parts and component processing; Sales of mechanical parts and components; Sealing component manufacturing; Sales of seals; Fastener manufacturing; Sales of fasteners; Sales of metal materials; Sales of valves and plugs; Sales of pumps and vacuum equipment; Sales of anti-corrosion materials; Sales of insulation materials; Import and export of goods (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: Stainless Steel Flat Welding Flange, Thermal Insulation Pipe Fittings, Galvanized Pipe

TOP4
Cangzhou Zhuochen Pipeline Co., Ltd
Overall Score4.7 / 5
Est. Date2019-11-01
Registered Capital12000K CNY

Cangzhou Zhuochen Pipeline Co., Ltd., with its registered address located 500 meters east of the entrance of Zhuangzi Village, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Mengcun Hui Autonomous County. The legal representative is Liu Ruichao, and its business scope includes manufacturing, processing, and sales of pipe fittings and pipeline equipment; Sales: Polyurethane insulation pipe, 3PE anti-corrosion pipe, steel sleeve steam insulation pipe, TPEP anti-corrosion steel pipe, epoxy powder steel pipe, coated composite pipe, non-toxic drinking water pipe, heavy protection bimetallic bridge protection line pipe, fire protection coating steel pipe, coal mine special epoxy resin composite steel pipe, power plant accessories, anti-corrosion insulation pipes and fittings, supports and hangers, steel pipes, steel pipes, valves, fasteners, seals, mechanical and electrical equipment, mechanical equipment and accessories, rubber products, plastic products, fire-fighting equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Stainless Steel Flat Welding Flange, Steel Sleeve Steel Hydrophobic Joint, Steel Sleeve Steel Insulation Steel Pipe

TOP5
Cangzhou Yousen Pipeline Co., Ltd
Overall Score4.7 / 5
Est. Date2022-12-27
Registered Capital16000K CNY

Cangzhou Yousen Pipeline Co., Ltd. is located 500 meters north of Jiajin Village, Mengdian Township, Yanshan County. It was established on December 27, 2022, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Jia Ronglin. Core products: Stainless Steel Flat Welding Flange, Carbon Steel Flange, Carbon Steel Tee

TOP6
Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd
Overall Score4.6 / 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: Stainless Steel Flat Welding Flange, Pipe Support, Anti-Corrosion Steel Pipe

TOP7
Hebei Weimai Metal Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-01-10
Registered Capital50000K CNY

Hebei Weimai Metal Technology Co., Ltd., with its registered address at No. 564 Jingxin Street, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision Administration. The legal representative is Ji Yuefen, and its business scope includes general projects such as the production and sales of metal hoses, compensators, high-pressure hoses, low-pressure hoses, oil cylinders, rubber seals, hydraulic parts, fittings, PTFE pipes, resin pipes, polyurethane nylon products, valves, maintenance cylinders, pressure filters, filter plates, filter cloth, pressure filter accessories, crimping machines, hydraulic fluid equipment and accessories, mechanical parts processing, pipeline welding, metal material processing and manufacturing, equipment installation and maintenance, and import and export of goods or technology. (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: Stainless Steel Flat Welding Flange, Compensator, Pipe Clamp

TOP8
Hebei Zhenghua Environmental Protection Machinery Co., Ltd
Overall Score4.6 / 5
Est. Date2015-05-19
Registered Capital26000K CNY

Hebei Zhenghua Environmental Protection Machinery Co., Ltd., with its registered address located 1000 meters west of Lizhuang Village, Siying Town, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision and Administration Bureau and represented by Cui Zhengguang as its legal representative. Its business scope includes general projects such as the manufacturing of specialized environmental protection equipment; Sales of specialized equipment for environmental protection; Mining machinery manufacturing; Manufacturing of drawing, calculation, and measuring instruments; Sales of drawing, calculation, and measuring instruments; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sales of metal structures; Mechanical parts and component processing; Sales of mechanical parts and components; External contracting projects; Import and export of goods (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License project: construction project construction; Construction engineering design (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses). Core products: Stainless Steel Flat Welding Flange, Star Feeder, Scraper Conveyor

TOP9
Foshan Kuankuan Stainless Steel Co., Ltd
Overall Score4.4 / 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: Stainless Steel Flat Welding Flange, Stainless Steel Sanitary Pipe, Stainless Steel Square Tube

TOP10
Zhejiang Wuyue Stainless Steel Co., Ltd
Overall Score4.4 / 5
Est. Date2018-12-28
Registered Capital15000K CNY

Zhejiang Wuyue Stainless Steel Co., Ltd., with its registered address at No. 988 Tianzhong Road, Yongzhong Street, Longwan District, Wenzhou City, Zhejiang Province, is registered with the Market Supervision Administration of Longwan District, Wenzhou City. The legal representative is Li Fangfang, and its business scope includes general projects such as metal packaging containers and material manufacturing; Manufacturing of general components; Sales of metal materials; Steel rolling processing; Manufacturing of metal cutting and welding equipment; Manufacturing of metal processing machinery; Research and development of metal products; Sales of metal tools; Manufacturing of metal structures; Sales of metal structures; Black metal casting; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of metal chains and other metal products (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Stainless Steel Flat Welding Flange, Stainless Steel Plate, Precision Stainless Steel Capillary Tube

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Stainless Steel Flat Welding Flange, Head, Big End And Small End10900K CNYSupported
Shanghai Jingou Industrial Valve Co., Ltd2017-06-07Stainless Steel Flat Welding Flange, Ball Valve , Gate Valve Series12000K CNYNot Supported
Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd2018-06-12Stainless Steel Flat Welding Flange, Thermal Insulation Pipe Fittings, Galvanized Pipe18000K CNYSupported
Cangzhou Zhuochen Pipeline Co., Ltd2019-11-01Stainless Steel Flat Welding Flange, Steel Sleeve Steel Hydrophobic Joint, Steel Sleeve Steel Insulation Steel Pipe12000K CNYSupported
Cangzhou Yousen Pipeline Co., Ltd2022-12-27Stainless Steel Flat Welding Flange, Carbon Steel Flange, Carbon Steel Tee16000K CNYNot Supported
Cangzhou Guangsheng Steel Pipe Manufacturing Co., Ltd2014-05-15Stainless Steel Flat Welding Flange, Pipe Support, Anti-Corrosion Steel Pipe51990K CNYNot Supported
Hebei Weimai Metal Technology Co., Ltd2019-01-10Stainless Steel Flat Welding Flange, Compensator, Pipe Clamp50000K CNYSupported
Hebei Zhenghua Environmental Protection Machinery Co., Ltd2015-05-19Stainless Steel Flat Welding Flange, Star Feeder, Scraper Conveyor26000K CNYSupported
Foshan Kuankuan Stainless Steel Co., Ltd2011-03-03Stainless Steel Flat Welding Flange, Stainless Steel Sanitary Pipe, Stainless Steel Square Tube30000K CNYSupported
Zhejiang Wuyue Stainless Steel Co., Ltd2018-12-28Stainless Steel Flat Welding Flange, Stainless Steel Plate, Precision Stainless Steel Capillary Tube15000K CNYSupported

Purchasing Guide

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

  • In the actual procurement process of stainless steel flat welding flanges, it is recommended to prioritize checking the nominal diameter, pressure rating, and material standards (such as ASTM A182, etc.) to ensure compatibility with pipeline system parameters and avoid installation failure due to specification errors.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers are usually able to provide stable and compliant products suitable for high-pressure scenarios such as petrochemicals and water supply and drainage.
  • Stainless steel flat welding flanges in food processing equipment must meet the requirement of no pollution. When purchasing, it is necessary to confirm whether the surface treatment process (such as acid pickling and passivation) meets the hygiene grade application standards.
  • For long-term cooperation needs, attention can be paid to the actual case data of suppliers in the petrochemical or energy fields, whose industry performance and platform statistical information can indirectly reflect product reliability.

Knowledge Base

Q

The testing of carbon steel and stainless steel 304 flat welding flanges was carried out by [testing institution name] at [specific time]. The purpose of testing is to determine whether the product complies with the relevant national standards GB [specific standard number]. The detection method adopts advanced professional equipment, such as spectrometers for analyzing chemical composition and flaw detectors for detecting internal defects. Test item

Q

Baidu AiGou has found pictures of different categories of stainless steel flat welding flanges for you, taking you to appreciate the diversity and uniqueness of stainless steel flat welding flanges. At the same time, we also recommend high-quality stainless steel flat welding flange products for you, so that you can easily and quickly find the most suitable stainless steel flat welding flange when purchasing.

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