Updated Oct 16, 2026 · Public platform & industry data

Oct 16, 2026 Updated

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2026 Top 10 Fiberglass Flange Manufacturers in China

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

The top 10 Fiberglass Flange manufacturers in China for 2026 are: Hebei Weihan Environmental Protection Equipment Co., Ltd, Hebei Sanluwu Environmental Protection Equipment Co., Ltd, Hebei Jupai Environmental Protection Equipment Co., Ltd, Hebei Shuaicheng Environmental Protection Equipment Co., Ltd, Hebei Changren Environmental Protection Equipment Co., Ltd, Hebei Ouyi Technology Group Co., Ltd, Hebei Wohan Environmental Protection Equipment Co., Ltd, Shanghai Hongguan Stainless Steel Products Co., Ltd, Hengrun Group Co., Ltd, Zaoqiang Weikuo Fiberglass 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 Weihan Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2019-11-26
Registered Capital10000K CNY

Hebei Weihan Environmental Protection Equipment Co., Ltd., registered at Xinhe International D, Zaoqiang County, Hengshui City, Hebei Province Building 211, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, with Wu Junwei as the legal representative. The business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wires and cables, optical cables, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment and accessories, and engineering construction several times. The company also engages in the export business of self-produced products and technologies and the mechanical equipment required by the company. Import business of spare parts, raw materials and technologies, 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: Fiberglass Flange, Tree Grates, Molded Septic Tank

Top 2
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Hebei Sanluwu Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2021-08-26
Registered Capital3000K CNY

Hebei Sanluwu Environmental Protection Equipment Co., Ltd., with its registered address at No. 58 East Outer Ring Industrial Park, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Xu Tingting, and its business scope includes the manufacturing of glass fiber reinforced plastic products. Processing, manufacturing, installation, and sales of fiberglass products, fiberglass winding products, molded products, pultruded products, hand pasted products, plastic products, power equipment, mechanical equipment, dust removal equipment, air purification equipment, water treatment equipment, water circulation cooling equipment, ventilation equipment, environmental protection equipment, central air conditioning and end products, power auxiliary equipment and accessories, metal products, conveying machinery and accessories, anti-corrosion and insulation engineering construction, gas regulator equipment, non-standard steel structure products, air pollution control equipment, rubber and plastic products, import and export business of self-produced products and technologies of the enterprise, as well as import and export business of mechanical equipment, spare parts, raw and auxiliary materials and technologies required by the enterprise, but limited or prohibited by the state for the company to operate or import and export. Excluding goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Flange, Fiberglass Grating, Frp Pipe

Top 3
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Hebei Jupai Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2022-02-07
Registered Capital6000K CNY

Hebei Jupai Environmental Protection Equipment Co., Ltd. is located at 160 Shengli Road West Market East Street, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. It was established on February 7, 2022, with the registration authority of Hengshui Zaoqiang County Market Supervision and Administration Bureau and the legal representative being Zhao Jian. Core products: Fiberglass Flange, Fiberglass Antenna Cover, Fiberglass Trash Can

TOP4
Hebei Shuaicheng Environmental Protection Equipment Co., Ltd

Li Qianzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province

Overall Score4.6 / 5
Est. Date2019-05-29
Registered Capital3330K CNY

Hebei Shuaicheng Environmental Protection Equipment Co., Ltd. is located in Liqianzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province. It was established on May 29, 2019, with the registration authority being the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative being Li Xizhu. Core products: Fiberglass Flange, Septic Tank, Desulfurization Tower

TOP5
Hebei Changren Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2019-05-16
Registered Capital3000K CNY

Hebei Changren Environmental Protection Equipment Co., Ltd. is located on the north side of Nanhuan Road in Zaoqiang County, Hengshui City, Hebei Province. The registered authority is the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, and the legal representative is Song Junpeng. Its business scope includes processing, manufacturing, designing, installing, repairing, and selling air pollution control equipment, solid waste and water treatment equipment, water supply equipment, purification and energy-saving equipment, metal products, integrated prefabricated pump stations, and integrated pump rooms; Desulfurization, denitrification, and whitening equipment, wet electrostatic precipitator equipment; Air pollution control equipment, sewage treatment equipment; Exhaust gas purification tower, absorption tower, defogger, spray pipeline; Fiberglass containers, pipelines, fans, cooling towers, septic tanks, sewage tank covers, water tanks, cable trays, handicrafts; Fiberglass hand pasted products, fiberglass wrapped products, fiberglass chimneys, fiberglass molded products, fiberglass chimneys, fiberglass pultruded products; Resin manhole cover, resin drainage ditch; Anti corrosion and epoxy flooring construction, transportation of general goods (excluding dangerous goods), export business of self-produced products and technologies of the enterprise, and import business of mechanical equipment, spare parts, raw and auxiliary 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: Fiberglass Flange, Fiberglass Pump Station, Fiberglass Fish Pond

TOP6
Hebei Ouyi Technology Group Co., Ltd
Overall Score4.5 / 5
Est. Date2012-01-12
Registered Capital100060K CNY

Hebei Ouyi Technology Group Co., Ltd., registered at the Fiberglass City Industrial Park in Zaoqiang County, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Liu Jinhua, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Construction of earthwork engineering; Construction of metal doors and windows engineering; Biomass energy technology services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of plastic products; Sales of plastic products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Wastewater treatment and its recycling; Manufacturing of specialized machinery and equipment for water resources; Manufacturing of environmental emergency technology equipment; Sales of environmental emergency technical equipment; Rubber product manufacturing; Sales of rubber products; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Sales of coatings (excluding hazardous chemicals); Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of arts and crafts and ceremonial items (excluding ivory and its products); Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Bearing manufacturing; Manufacturing of bearings, gears, and transmission components; Bearing sales; Sales of bearings, gears, and transmission components; Manufacturing of gears, gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Manufacturing of enamel products; Sales of enamel products; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Sales of anti-corrosion materials; Sales of insulation materials; Professional design services; Sales of building materials; Housing rental; Non residential real estate leasing; Rental services (excluding licensed rental services); Contract energy management; Import and export of goods; Technology import and export; Production of gas appliances; Manufacturing of digital video surveillance systems; Sales of digital video surveillance systems; Integrated circuit manufacturing; Manufacturing of integrated circuit chips and products; Integrated circuit sales; Sales of integrated circuit chips and products; Manufacturing of electronic components; Retail of electronic components; Manufacturing of specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Integrated circuit chip design and services; Wholesale of electronic components; Electronic product sales; Manufacturing of power electronic components; Sales of power electronic components; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Information technology consulting services (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: special equipment manufacturing; Construction project construction; Construction professional operations; Construction project design; Construction labor subcontracting; Special equipment installation, renovation, and repair (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses). Core products: Fiberglass Flange, Fiberglass Inspection Well,

TOP7
Hebei Wohan Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2017-08-21
Registered Capital3000K CNY

Hebei Wohan Environmental Protection Equipment Co., Ltd. is registered in Houchenzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Zaoqiang County, Hengshui City, and the legal representative is Chen Bing. The company's business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning terminal supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wire and cable, optical cable, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment. And accessories, engineering construction and installation, 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: Fiberglass Flange, Fiberglass Rectangular Duct, Fiberglass Acid Alkali Storage Tank

TOP8
Shanghai Hongguan Stainless Steel Products Co., Ltd
Overall Score4.5 / 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: Fiberglass Flange, Flange, Forged Pipe Fittings

TOP9
Hengrun Group Co., Ltd
Overall Score4.4 / 5
Est. Date2001-05-15
Registered Capital200000K CNY

Hengrun Group Co., Ltd., with its registered address at No. 188 Fuqiang North Road, Zaoqiang County, Hengshui City, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Song Jianguo, and its business scope includes the research and development, design, production, sales, technical consulting, intermediary technical services, inspection and testing of general projects such as prestressed steel cylinder concrete pipes, prestressed reinforced concrete pipes, prefabricated square culverts, subway segments and accessories, high-speed railway guide plates and irregular plates, concrete products, plastic pipes, plastic products, fiberglass pipes, fiberglass products, multi base material composite pipes, composite material products, various water supply and drainage pipelines, irregular fittings and accessories, hydraulic metal components, steel structure products (radar antennas, antenna covers and accessories) and their materials and equipment. The sentence is:; Investment, construction, operation, contracting, and labor services for water conservancy, municipal, railway, water management, pipeline, air conditioning, environmental protection equipment, anti-corrosion and insulation, landscaping, greening, seedling and flower cultivation, tourism and sightseeing, and elderly care industry projects; The operation, storage, sales, and transportation of steel, wood, rubber, plastic, composite materials, machinery, accessories, electrical and electrical equipment, as well as seedlings and flowers; Factory and equipment leasing business; Import and export business. (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: Fiberglass Flange, Sewage Pumping Station, Fiberglass Storage Tank

TOP10
Zaoqiang Weikuo Fiberglass Co., Ltd
Overall Score4.4 / 5
Est. Date2019-03-18
Registered Capital100K CNY

Zaoqiang Weikuo Fiberglass Co., Ltd., with its registered address at Mengtun Village North, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Liang Haizhao, and its business scope includes processing, manufacturing, installing, and selling fiberglass dust collectors, desulfurizers, acid mist purification towers, absorption towers, and fiberglass environmental protection equipment; Cooling tower, fan, storage tank, winding pipeline, fiberglass products for water tank, fiberglass anti-corrosion engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Flange, Fiberglass Grating, Fiberglass Rectangular Duct

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Weihan Environmental Protection Equipment Co., Ltd2019-11-26Fiberglass Flange, Tree Grates, Molded Septic Tank10000K CNYSupported
Hebei Sanluwu Environmental Protection Equipment Co., Ltd2021-08-26Fiberglass Flange, Fiberglass Grating, Frp Pipe3000K CNYNot Supported
Hebei Jupai Environmental Protection Equipment Co., Ltd2022-02-07Fiberglass Flange, Fiberglass Antenna Cover, Fiberglass Trash Can6000K CNYSupported
Hebei Shuaicheng Environmental Protection Equipment Co., Ltd2019-05-29Fiberglass Flange, Septic Tank, Desulfurization Tower3330K CNYSupported
Hebei Changren Environmental Protection Equipment Co., Ltd2019-05-16Fiberglass Flange, Fiberglass Pump Station, Fiberglass Fish Pond3000K CNYNot Supported
Hebei Ouyi Technology Group Co., Ltd2012-01-12Fiberglass Flange, Fiberglass Inspection Well, 100060K CNYSupported
Hebei Wohan Environmental Protection Equipment Co., Ltd2017-08-21Fiberglass Flange, Fiberglass Rectangular Duct, Fiberglass Acid Alkali Storage Tank3000K CNYSupported
Shanghai Hongguan Stainless Steel Products Co., Ltd2017-08-21Fiberglass Flange, Flange, Forged Pipe Fittings11800K CNYNot Supported
Hengrun Group Co., Ltd2001-05-15Fiberglass Flange, Sewage Pumping Station, Fiberglass Storage Tank200000K CNYSupported
Zaoqiang Weikuo Fiberglass Co., Ltd2019-03-18Fiberglass Flange, Fiberglass Grating, Fiberglass Rectangular Duct100K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of fiberglass flanges, it is recommended to prioritize checking key technical parameters such as pressure rating and diameter size to ensure compatibility with pipeline systems. In chemical or wastewater treatment scenarios, additional attention should be paid to corrosion resistance.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers can usually provide more stable delivery capabilities in the field of fiberglass flanges.
  • In special scenarios such as ocean engineering or strong acid environments, the resin matrix material and reinforcement layer structure of fiberglass flanges need to be selected according to the characteristics of the medium to avoid premature failure caused by material mismatch.
  • When purchasing fiberglass flanges, it is usually necessary to pay close attention to the industry data support of suppliers. Platform statistical information can assist in judging the actual application performance of their products in similar projects.

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