Updated Sep 17, 2026 · Public platform & industry data

Sep 17, 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, Botou Youcheng Industrial and Mining Machinery Co., Ltd, Jiangsu Chengzhu Machinery Technology Co., Ltd, Hebei Cangnuo Environmental Protection Equipment Co., Ltd, Cangzhou Yisong Environmental Protection Equipment Co., Ltd, Chengdu Chuantai Juhao Valve Co., Ltd, Zaoqiang Weikuo Fiberglass Co., Ltd, Hebei Huibaifeng Fiberglass Co., Ltd, Hengshui Hengjing Building Materials 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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Botou Youcheng Industrial and Mining Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2012-06-11
Registered Capital10000K CNY

Botou Youcheng Industrial and Mining Machinery Co., Ltd., registered in Wulongtang Village, Waliwang Town, Botou City, with the registration authority of Botou Market Supervision Administration and the legal representative of Hou Guoliang. Its business scope includes the production and sales of mining machinery equipment, dust removal equipment and accessories (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Single Axis Dust Humidifier, Pipe Spiral Conveyor

TOP4
Jiangsu Chengzhu Machinery Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2006-06-23
Registered Capital49980K CNY

Jiangsu Chengzhu Machinery Technology Co., Ltd., with its registered address at 9A Daxing South Road, Industrial Park, Hede Town, Sheyang County, is registered with the Sheyang County Administrative Approval Bureau and represented by Gao Jianxiang. Its business scope includes research and development, manufacturing, and sales of power machinery parts, chemical machinery parts, and environmental protection equipment; Environmental engineering design and construction. Wholesale of metal materials; (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: wholesale of metal materials; Manufacturing of mechanical and electrical equipment; Sales of electrical equipment; General equipment manufacturing (excluding special equipment manufacturing); Sales of pipeline transportation equipment; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal materials; Research and development of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Sales of 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). Core products: Fiberglass Rectangular Damper, Baffle Gate, Support Pipe Bracket

TOP5
Hebei Cangnuo Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-07-30
Registered Capital200K CNY

Hebei Cangnuo Environmental Protection Equipment Co., Ltd. is registered at 50 meters west of the intersection of Houbachi Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Jia Wanxin. The business scope includes the manufacturing of specialized environmental protection equipment. Production, sales, installation, and maintenance of dust removal equipment and accessories, desulfurization and denitrification equipment and accessories, exhaust gas treatment equipment, mining machinery equipment, sewage treatment equipment, catalytic combustion equipment, photo oxygen plasma purification equipment, oil fume purification equipment, air purification equipment, conveying equipment and accessories, dust removal bags, skeletons, pipelines, valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Cyclone Tower, Electric Tar Precipitator

TOP6
Cangzhou Yisong Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2021-06-02
Registered Capital500K CNY

Cangzhou Yisong Environmental Protection Equipment Co., Ltd. is registered in Longfengdian Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Jia Wanxin. The business scope includes general projects: manufacturing of environmental protection special equipment; Sales of specialized equipment for environmental protection; Air pollution prevention and control services; Air pollution control; Environmental protection monitoring; Water pollution control; Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Fan and fan manufacturing; Sales of fans and blowers; Land pipeline transportation; Sales of pipeline transportation equipment; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of monitoring and control equipment for power transmission and distribution; Sales of intelligent power transmission and distribution and control equipment; Sales of monitoring and control equipment for power transmission and distribution; Professional design services; Industrial design services; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of gears, gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Sales of bearings, gears, and transmission components; Manufacturing of bearings, gears, and transmission components; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Manufacturing of metal products for safety and firefighting purposes; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Sales of mechanical equipment (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations). Core products: Fiberglass Rectangular Damper, Electric Tar Precipitator, Fan

TOP7
Chengdu Chuantai Juhao Valve Co., Ltd
Overall Score4.5 / 5
Est. Date2015-10-19
Registered Capital6800K CNY

Chengdu Chuantai Juhao Valve Co., Ltd., with its registered address at No. 18A, 1st Floor, Building 12, No. 222 Jiaoda Road, Jinniu District, Chengdu, is registered with the Jinniu District Market Supervision and Administration Bureau. The legal representative is Wang Hengyuan, and its business scope includes production, processing (limited to branch offices operating at other locations), wholesale, and retail of valves, pipe fittings, hardware products, building materials, steel, fire-fighting equipment, plastic products, metal materials, and metal products.. Core products: Fiberglass Rectangular Damper, Rail Crossing Pipe, Bellows

TOP8
Zaoqiang Weikuo Fiberglass Co., Ltd
Overall Score4.5 / 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

TOP9
Hebei Huibaifeng Fiberglass Co., Ltd
Overall Score4.4 / 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

TOP10
Hengshui Hengjing Building Materials Co., Ltd
Overall Score4.4 / 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,

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
Botou Youcheng Industrial and Mining Machinery Co., Ltd2012-06-11Fiberglass Rectangular Damper, Single Axis Dust Humidifier, Pipe Spiral Conveyor10000K CNYSupported
Jiangsu Chengzhu Machinery Technology Co., Ltd2006-06-23Fiberglass Rectangular Damper, Baffle Gate, Support Pipe Bracket49980K CNYSupported
Hebei Cangnuo Environmental Protection Equipment Co., Ltd2020-07-30Fiberglass Rectangular Damper, Cyclone Tower, Electric Tar Precipitator200K CNYSupported
Cangzhou Yisong Environmental Protection Equipment Co., Ltd2021-06-02Fiberglass Rectangular Damper, Electric Tar Precipitator, Fan500K CNYSupported
Chengdu Chuantai Juhao Valve Co., Ltd2015-10-19Fiberglass Rectangular Damper, Rail Crossing Pipe, Bellows6800K 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
Hengshui Hengjing Building Materials Co., Ltd2024-05-24Fiberglass Rectangular Damper, Fiberglass Blind Plate, 300K CNYSupported

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