Updated Oct 10, 2026 · Public platform & industry data

Oct 10, 2026 Updated

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2026 Top 10 Ansi Flange Manufacturers in China

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Top-rated Ansi Flange suppliers, How to choose a Ansi Flange manufacturer, Best Ansi Flange companies in China

The top 10 Ansi Flange manufacturers in China for 2026 are: Cangzhou Yousen Pipeline Co., Ltd, Hebei Fangqing Pipeline Manufacturing Co., Ltd, Shanghai Pioneer Valve Manufacturing Co., Ltd, Shanghai Kehan Metal Group Co., Ltd, Shanghai Hongguan Stainless Steel Products Co., Ltd, Shanghai Luxite Automatic Control Valve Co., Ltd, Beijing Yongdebao Valve Co., Ltd, Yingang Pipeline Manufacturing Co., Ltd, Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd, San You Forging Factory in Dingxiang County. 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 Yousen Pipeline Co., Ltd
Overall Score4.9 / 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: Ansi Flange, Stainless Steel Flange, Titanium Elbow

Top 2
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Hebei Fangqing Pipeline Manufacturing Co., Ltd
Overall Score4.8 / 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: Ansi Flange, Big End And Small End, Flange

Top 3
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Shanghai Pioneer Valve Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2003-12-03
Registered Capital85000K CNY

Shanghai Pioneer Valve Manufacturing Co., Ltd., with its registered address at 1st Floor, Building 2, No. 369 Maoting Road, Chedun Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Yu Fanlei. Its business scope includes licensed projects such as special equipment design; Manufacturing of special equipment; Manufacturing of civil nuclear safety equipment; Design of civil nuclear safety equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Import and export of goods; Technology import and export; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of industrial automatic control system devices; Manufacturing of pneumatic power machinery and components; Manufacturing of hydraulic power machinery and components; Manufacturing of liquid tight components and systems; Manufacturing of special ceramic products; Manufacturing of glass fiber reinforced plastic products; Manufacturing of high-speed rail equipment and accessories; Valve and plug research and development; Mechanical equipment research and development; Complete sets of nuclear power equipment and engineering technology research and development; Sales of valves and plugs; Sales of electronic components and electromechanical equipment; Sales of special equipment; Sales of distribution switch control equipment; Sales of pumps and vacuum equipment; Sales of pneumatic power machinery and components; Sales of industrial automatic control system devices; Sales of hydraulic power machinery and components; Sales of electrical instruments and meters; Sales of intelligent instruments and meters; Sales of supply instruments and meters; Sales of liquid tight components and systems; Sales of special ceramic products; Energy storage technology services; Manufacturing of automotive parts and accessories; Sales of station hydrogen refueling and storage facilities; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of metal structures; Sales of metal structures; Specialized equipment repair; General equipment repair; Manufacturing of non-ferrous metal alloys; Sales of non-ferrous metal alloys; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Ansi Flange, Manual Water Valve, Flange Check Valve

TOP4
Shanghai Kehan Metal Group Co., Ltd
Overall Score4.7 / 5
Est. Date2017-06-08
Registered Capital39680K CNY

Shanghai Kehan Metal Group Co., Ltd., with its registered address at 3434, No. 32 Shenxin Road, Chedun Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision and Administration Bureau. The legal representative is Wei Lingling, and the business scope includes metal products, metal materials, molds, steel, hardware and electrical equipment, building materials, daily necessities, wood, fuel oil (excluding dangerous goods), lubricants, chemical raw materials and products (excluding dangerous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), textiles and raw materials, communication equipment sales, rental of self owned houses, warehousing services (excluding dangerous goods), technology development, technical consulting, technical services, technology transfer in the fields of network, computer, and information, business information consulting, electronics Business (not allowed to engage in value-added telecommunications or financial services), Professional construction of building decoration and construction engineering, installation and maintenance of mechanical equipment, engaged in import and export business of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Ansi Flange, Superalloy, Heat-Resisting Stainless Steels

TOP5
Shanghai Hongguan Stainless Steel Products Co., Ltd
Overall Score4.7 / 5
Est. Date2017-08-21
Registered Capital11800K CNY

Shanghai Hongguan Stainless Steel Products Co., Ltd., located at Room 103, 1st Floor, No. 11, Lane 6666, Songze Avenue, Qingpu District, Shanghai, was established on August 21, 2017. The registration authority is the Qingpu District Market Supervision Administration, and the legal representative is Zhuang Binzhou. Core products: Ansi Flange, Stamped Pipe Fittings, Flange

TOP6
Shanghai Luxite Automatic Control Valve Co., Ltd
Overall Score4.6 / 5
Est. Date2023-09-04
Registered Capital1000K CNY

Shanghai Luxite Automatic Control Valve Co., Ltd., with its registered address at Building 3, No. 1068 Nanyang Bay Road, Jinshanwei Town, Jinshan District, Shanghai (Kangcheng Economic Park), is registered with the Jinshan District Market Supervision and Administration Bureau, and its legal representative is Jia Zaizhi. Its business scope includes general projects such as valve and plug sales; Wholesale of hardware products; Sales of fasteners; Mold sales; Sales of mechanical equipment; Seal sales. (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: Ansi Flange, Control Valve, Check Valve

TOP7
Beijing Yongdebao Valve Co., Ltd
Overall Score4.6 / 5
Est. Date2009-05-15
Registered Capital5000K CNY

Beijing Yongdebao Valve Co., Ltd., with its registered address at 810, 8th floor, Building 4, No. 19 Xinghua Street, Huangcun Town, Daxing District, Beijing, is registered with the Market Supervision Administration of Daxing District, Beijing. The legal representative is Shi Zhidong, and its business scope includes general projects such as valve and plug sales; Sales of mechanical equipment; Electronic product sales; Retail of hardware products; Sales of chemical products (excluding licensed chemical products); Sales of metal materials; Sales of instruments and meters; Import and export of goods. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law.) (Business activities prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Ansi Flange, Imported Solenoid Valve, Imported Safety Valve

TOP8
Yingang Pipeline Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2019-08-01
Registered Capital112200K CNY

Yingang Pipeline Manufacturing Co., Ltd. is registered at S333 Gengzhuangzi Road South, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Wang Xiaosheng. The business scope includes building decoration and manufacturing of plumbing pipeline parts. Manufacturing, processing, and sales: pipe fittings; Pipeline equipment; Corrosion prevention and insulation of pipelines and fittings; Sales: elbows, flanges and gaskets, reducers, tees, pipe caps, plastic lined pipe fittings, compensators, pipe supports and hangers, power plant accessories, valves, hardware accessories, steel plates, steel pipes, steel sections, round steel, laboratory fume hoods, pipe supports, steel metal hoses, corrugated compensators, acoustic tubes, fasteners, seals, gasifier accessories, coal mill accessories, insulation joints, rubber soft joints, rubber products, highway guardrails, color steel structures, iron towers, metal accessories for chemical and electrical industries, PVC products, labor protection supplies, fire-fighting equipment; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law). Core products: Ansi Flange, Big End And Small End, Manhole

TOP9
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd
Overall Score4.4 / 5
Est. Date2009-12-11
Registered Capital5800K CNY

Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd., with its registered address located in Liutan Industrial Zone, Xinda Highway, Mengcun Hui Autonomous County. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Li Tingxiang. Its business scope includes the processing and sales of elbows, tees, reducers, flanges, and pipes; Manufacturing and sales of hydraulic mechanical equipment. (Projects that require approval by law can only be operated after approval by relevant departments.). Core products: Ansi Flange, Pipe Fitting, Flange

TOP10
San You Forging Factory in Dingxiang County
Overall Score4.4 / 5
Est. Date2003-04-02
Registered Capital300K CNY

San You Forging Factory in Dingxiang County, with its registered address at Cuijiazhuang, Dingxiang County, Xinzhou. The registration authority is the Dingxiang County Market Supervision Administration, and the legal representative is Yan Zekang. Its business scope includes forging manufacturing and machining (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Ansi Flange, Crane Wheel, Reaction Kettle Flange

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Cangzhou Yousen Pipeline Co., Ltd2022-12-27Ansi Flange, Stainless Steel Flange, Titanium Elbow16000K CNYNot Supported
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Ansi Flange, Big End And Small End, Flange10900K CNYSupported
Shanghai Pioneer Valve Manufacturing Co., Ltd2003-12-03Ansi Flange, Manual Water Valve, Flange Check Valve85000K CNYNot Supported
Shanghai Kehan Metal Group Co., Ltd2017-06-08Ansi Flange, Superalloy, Heat-Resisting Stainless Steels 39680K CNYSupported
Shanghai Hongguan Stainless Steel Products Co., Ltd2017-08-21Ansi Flange, Stamped Pipe Fittings, Flange11800K CNYNot Supported
Shanghai Luxite Automatic Control Valve Co., Ltd2023-09-04Ansi Flange, Control Valve, Check Valve1000K CNYNot Supported
Beijing Yongdebao Valve Co., Ltd2009-05-15Ansi Flange, Imported Solenoid Valve, Imported Safety Valve5000K CNYNot Supported
Yingang Pipeline Manufacturing Co., Ltd2019-08-01Ansi Flange, Big End And Small End, Manhole112200K CNYSupported
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd2009-12-11Ansi Flange, Pipe Fitting, Flange5800K CNYSupported
San You Forging Factory in Dingxiang County2003-04-02Ansi Flange, Crane Wheel, Reaction Kettle Flange300K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of American standard flanges, it is recommended to match the Class specifications and materials of the flanges according to the pipeline pressure rating and medium characteristics. For example, petrochemical projects usually require the use of Class 300 or above carbon steel flanges to ensure pressure stability.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers have more guarantee in terms of the coverage of American standard flange specifications and delivery time.
  • For corrosive environments such as offshore platforms or chemical equipment, it is recommended to use American standard flanges made of 316L stainless steel. At the same time, it is necessary to check whether key dimensions such as outer diameter and bolt hole spacing comply with ASME B16.5 standards.
  • Different application scenarios, such as oil pipelines and thermal systems, have significant differences in the requirements for flange sealing surface types. When purchasing, it is necessary to specify interface forms such as RF (protruding surface) or FF (full plane) to avoid installation compatibility issues.

Knowledge Base

Q

Normal working conditions: Carbon steel A105 is preferred as it is cheap and has sufficient strength. Corrosion environment: Choose 304L or 316L, especially 316L is more corrosion-resistant to chloride ions and acid-base media. High temperature and high pressure: Consider using alloy steel such as F91, or using a neck welded structure to enhance strength. Low temperature environment: can be considered

Q

American standard flange ball valve is a ball valve designed and manufactured according to American standards (such as ANSI/ASME), using flange connection method, mainly used for fluid control and throttling in pipeline systems. The following is a detailed introduction about the American standard flange ball valve: Closing element: The closing element of the American standard flange ball valve is a ball (or partial ball) with a hole, which rotates with the valve stem to realize the valve

Q

American standard flanges refer to flanges that comply with American standards such as ASME/ANSI B16.5, B16.47, etc., and are widely used in industries such as petroleum, chemical, and power. This article provides a detailed analysis of the classification, standard characteristics, and differences between American standard flanges and national standard flanges, with key parameter comparisons attached to help users quickly grasp their core knowledge.

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