Updated Sep 9, 2026 · Public platform & industry data

Sep 9, 2026 Updated

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2026 Top 10 Fiberglass Rectangular Damper Manufacturers in China

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

The top 10 Fiberglass Rectangular Damper manufacturers in China for 2026 are: Hebei Wohan Environmental Protection Equipment Co., Ltd, Hebei Ouyi Technology Group Co., Ltd, Zaoqiang Weikuo Fiberglass Co., Ltd, Hebei Huibaifeng Fiberglass Co., Ltd, Hebei Xuneng Environmental Protection Equipment Co., Ltd, Hengshui Hengjing Building Materials Co., Ltd, Hebei Xinda Technology Co., Ltd, Hebei Zeyu Environmental Protection Technology Co., Ltd, Zaoqiang Jinzhi Fiberglass Products Co., Ltd, Wenzhou Zhengfeng Fluid Control 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 Wohan Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 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 Rectangular Damper, Fiberglass Bend, Fiberglass Motor Cover

Top 2
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Hebei Ouyi Technology Group Co., Ltd
Overall Score4.7 / 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 Rectangular Damper, Fiberglass Inspection Well, Fiberglass Desulfurization Tower

Top 3
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Zaoqiang Weikuo Fiberglass Co., Ltd
Overall Score4.7 / 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 Rectangular Damper, Fiberglass Tower, Glass Fiber Reinforced Plastic Variable Diameter

TOP4
Hebei Huibaifeng Fiberglass Co., Ltd
Overall Score4.6 / 5
Est. Date2016-06-17
Registered Capital3000K CNY

Hebei Huibaifeng Fiberglass Co., Ltd. is registered in Machang Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Ma Yanchao. Its business scope includes processing, manufacturing, and selling fiberglass products and composite materials, central air conditioning supporting products, fire exhaust equipment, rubber products, automation supporting products, air pollution control equipment, fixed waste and water treatment equipment, purification and energy-saving equipment, non-standard steel structure products, gas pressure regulator equipment, power auxiliary equipment and accessories, engineering construction and installation, and environmental protection engineering design. 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 Rectangular Damper, Fiberglass Activated Carbon Adsorption Box, Fiberglass Grating

TOP5
Hebei Xuneng Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2017-01-04
Registered Capital10000K CNY

Hebei Xuneng Environmental Protection Equipment Co., Ltd. is registered in Machang Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, and the legal representative is Ma Yanchao. Its business scope includes processing, manufacturing, installing, and selling environmental protection equipment, fiberglass products, fiberglass valve insulation shells, fiberglass disposable mold shells, fiberglass pipelines, and sand filled pipelines PE pipes, fiberglass containers, fiberglass septic tanks, fire water tanks, central air conditioning, cooling towers, fans, SMC molded products, fiberglass water tanks, stainless steel water tanks, aluminum alloy products, plastic products, gas pressure regulating equipment, liquefied gas products, power accessories, automotive parts, mechanical parts, railway and transportation accessories, anti-corrosion and insulation engineering, mechanical and electrical installation engineering, engaged in the export business of self-produced products and technologies of the enterprise and the import business of mechanical equipment, spare parts, 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: Fiberglass Rectangular Damper, Fiberglass Blind Plate, Glass Fiber Reinforced Plastic Variable Diameter

TOP6
Hengshui Hengjing Building Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2024-05-24
Registered Capital300K CNY

Hengshui Hengjing Building Materials Co., Ltd., with its registered address located 75 meters south of the intersection of Donghuan North Road and Zhandong Street in Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Ma Yanchao, and its business scope includes general projects such as cement product manufacturing; Sales of building materials; Sales of building decoration materials; Construction of earthwork engineering; Construction of landscaping and greening projects; Sales of cement products; Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of insulation materials; Sales of refractory materials; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of sealing fillers; Sales of sealing fillers; Manufacturing of daily ceramic products; Sales of daily ceramic products; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Manufacturing of hardware products; Wholesale of hardware products; Sales of metal products; Manufacturing of metal structures; Sales of metal structures; Sales of mechanical equipment; Sales of fiberglass and related products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of plastic products; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Land consolidation services; Mechanical equipment leasing; Installation services for ordinary mechanical equipment; 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: Fiberglass Rectangular Damper, Fiberglass Blind Plate,

TOP7
Hebei Xinda Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2020-07-06
Registered Capital10000K CNY

Hebei Xinda Technology Co., Ltd. is registered at No. 20 Xingyuan South Street, Small and Medium sized Enterprise Entrepreneurship Park, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Ma Xuezhu. The business scope includes new material technology promotion services. The research and development, design, processing, manufacturing, sales, installation, maintenance, and construction of environmental protection equipment, electromechanical equipment, and sewage treatment equipment, as well as the production and sales of molded products, water supply and drainage pipes, fiberglass sand pipes, continuous winding pipes, braided winding pipes, cable protection pipes, optical cable protection pipes, integrated lifting pump stations, rubber and plastic products, automation supporting products, general mechanical equipment and its accessories. The company also engages in the import and export of self-produced products and technologies, as well as the sales and import and export of mechanical equipment, spare parts, and raw materials required by the company. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Fiberglass Activated Carbon Adsorption Box,

TOP8
Hebei Zeyu Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2023-11-17
Registered Capital6660K CNY

Hebei Zeyu Environmental Protection Technology Co., Ltd., with its registered address at No. 368 Fuqiang Road, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Qifengshan, and its business scope includes general projects such as technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; General equipment manufacturing (excluding special equipment manufacturing); General equipment repair; Manufacturing of refrigeration and air conditioning equipment; Manufacturing of marine supporting equipment; Maintenance of transportation facilities; Professional cleaning, washing, and disinfection services; Manufacturing of metal products for safety and firefighting purposes; Sales of civil aviation materials; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Manufacturing of metal structures; Sales of metal structures; Air pollution prevention and control services; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Manufacturing and processing of doors and windows; Sales of doors and windows; Mechanical equipment leasing; Labor services (excluding labor dispatch); Engineering management services; Technology intermediary services. (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 Rectangular Damper, , Cover Plate

TOP9
Zaoqiang Jinzhi Fiberglass Products Co., Ltd
Overall Score4.4 / 5
Est. Date2015-03-26
Registered Capital1000K CNY

Zaoqiang Jinzhi Fiberglass Products Co., Ltd. is located in Zhaowuzhuang Village, Zaoqiang Town, Zaoqiang County. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, with Zhang Zhi as the legal representative. Its business scope includes general projects: sales of glass fiber reinforced plastic products; Sales of specialized equipment for environmental protection; Sales of gas and liquid separation and purification equipment; Sales of fans and blowers; Sales of mechanical equipment; Sales of refrigeration and air conditioning equipment; Sales of rubber products; Sales of plastic products; Sales of mechanical parts and components; Sales of metal structures; Sales of metal materials; Sales of metal products; Repair of metal products; Specialized equipment repair; General equipment repair; Installation services for ordinary mechanical equipment; 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: Fiberglass Rectangular Damper, Air Duct, Fiberglass Marker Post

TOP10
Wenzhou Zhengfeng Fluid Control Co., Ltd
Overall Score4.4 / 5
Est. Date2024-10-25
Registered Capital500K CNY

Wenzhou Zhengfeng Fluid Control Co., Ltd., with its registered address in Baishui Village, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province, is registered with the Yongjia County Market Supervision Administration. The legal representative is Zeng Wenxin, and its business scope includes general projects such as valve and plug research and development; Sales of valves and plugs; Retail of hardware products; Wholesale of hardware products; Sales of seals; Sales of pumps and vacuum equipment; Sales of metal materials; Import and export of goods; Technology import and export; Sales of non electric household appliances; Sales of forgings and powder metallurgy products; Sales of mechanical equipment; Sales of instruments and meters; Sales of rubber products (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: Fiberglass Rectangular Damper, Plastic Flame Arrester, Air Valve Check Valve

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Wohan Environmental Protection Equipment Co., Ltd2017-08-21Fiberglass Rectangular Damper, Fiberglass Bend, Fiberglass Motor Cover3000K CNYSupported
Hebei Ouyi Technology Group Co., Ltd2012-01-12Fiberglass Rectangular Damper, Fiberglass Inspection Well, Fiberglass Desulfurization Tower100060K CNYSupported
Zaoqiang Weikuo Fiberglass Co., Ltd2019-03-18Fiberglass Rectangular Damper, Fiberglass Tower, Glass Fiber Reinforced Plastic Variable Diameter100K CNYSupported
Hebei Huibaifeng Fiberglass Co., Ltd2016-06-17Fiberglass Rectangular Damper, Fiberglass Activated Carbon Adsorption Box, Fiberglass Grating3000K CNYSupported
Hebei Xuneng Environmental Protection Equipment Co., Ltd2017-01-04Fiberglass Rectangular Damper, Fiberglass Blind Plate, Glass Fiber Reinforced Plastic Variable Diameter10000K CNYSupported
Hengshui Hengjing Building Materials Co., Ltd2024-05-24Fiberglass Rectangular Damper, Fiberglass Blind Plate, 300K CNYSupported
Hebei Xinda Technology Co., Ltd2020-07-06Fiberglass Rectangular Damper, Fiberglass Activated Carbon Adsorption Box, 10000K CNYSupported
Hebei Zeyu Environmental Protection Technology Co., Ltd2023-11-17Fiberglass Rectangular Damper, , Cover Plate6660K CNYSupported
Zaoqiang Jinzhi Fiberglass Products Co., Ltd2015-03-26Fiberglass Rectangular Damper, Air Duct, Fiberglass Marker Post1000K CNYNot Supported
Wenzhou Zhengfeng Fluid Control Co., Ltd2024-10-25Fiberglass Rectangular Damper, Plastic Flame Arrester, Air Valve Check Valve500K CNYNot Supported

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