Updated Sep 1, 2026 · Public platform & industry data

Sep 1, 2026 Updated

English
title decor left

2026 Top 10 Fiberglass Rectangular Damper Manufacturers in China

title decor right

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, Weifang Dijia Environmental Protection Equipment Co., Ltd, Hebei Cangnuo Environmental Protection Equipment Co., Ltd, Shanghai Lianggong Valve Factory Co., Ltd. Xi'an Sales Branch, Botou Youcheng Industrial and Mining Machinery Co., Ltd, Botou General Bellows Manufacturing Co., Ltd, Zaoqiang Weikuo Fiberglass Co., Ltd, Suzhou Ruichuang Fluid Equipment Co., Ltd, Yancheng Baoze Electric Power Petrochemical Machinery Manufacturing Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

Collapse
Region FilterRegion
Top 1
background image
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
background image
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
background image
Weifang Dijia Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-12-13
Registered Capital2000K CNY

Weifang Dijia Environmental Protection Equipment Co., Ltd., with its registered address located in Chengcun Industrial Park, Weixu North Road, Xing'an Street, Anqiu City, Shandong Province, is registered with the Anqiu Market Supervision Administration Bureau. The legal representative is Wang Shugao, and its business scope includes research and development, production, sales, installation, and maintenance of environmental protection equipment, distribution switch control equipment, power electronic components, and molds; Sales: Building materials, hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Circular Double Gate Valve, Pneumatic Ceramic Rotary Swing Valve C

TOP4
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

TOP5
Shanghai Lianggong Valve Factory Co., Ltd. Xi'an Sales Branch

Room 20605, 6th Floor, Building B, Free International Building, Tietasi Road, Lianhu District, Xi'an City, Shaanxi Province

Overall Score4.6 / 5
Est. Date2007-06-29
Registered Capital-

Shanghai Lianggong Valve Factory Co., Ltd. Xi'an Sales Branch, located at Room 20605, 6th Floor, Building B, Free International Building, Tietasi Road, Lianhu District, Xi'an City, Shaanxi Province, was established on June 29, 2007. The registered authority is the Lianhu District Market Supervision Administration of Xi'an City, and the legal representative is Lin Hankun. Core products: Fiberglass Rectangular Damper

TOP6
Botou Youcheng Industrial and Mining Machinery Co., Ltd
Overall Score4.5 / 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

TOP7
Botou General Bellows Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2004-04-30
Registered Capital11680K CNY

Botou General Bellows Manufacturing Co., Ltd., with its registered address at Baolizhuang Bridge West, Bofu Road, Botou City, registered with the Botou Market Supervision Administration Bureau, and represented by Li Hongwen as its legal representative. Its business scope includes the processing and sales of corrugated compensators, metal hoses, non-metallic flexible expansion joints, throttling devices, soft connectors, dust removal equipment, and accessories; Sales of pipeline fittings and HVAC valves; Import and export of goods (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Expansion Joint, Rubber Compensator

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
Suzhou Ruichuang Fluid Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2009-10-10
Registered Capital5000K CNY

Suzhou Ruichuang Fluid Equipment Co., Ltd., registered at Room 201, Building 8, No. 160 Xinyang Avenue, Xinzhuang Town, Changshu City, registered with Changshu Data Bureau, with Huang Donghong as the legal representative. Its business scope includes research and development, design, production, processing, and sales of valves and accessories, water treatment equipment, automation equipment and accessories, pumps and mechanical equipment, hardware and electrical equipment, as well as providing relevant technical consulting and after-sales services; Import and export business of various commodities and technologies through self operation and agency (excluding commodities 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, Industrial Check Valve, Ptfe Lined Soft Sealed Butterfly Valve

TOP10
Yancheng Baoze Electric Power Petrochemical Machinery Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2012-03-22
Registered Capital35000K CNY

Yancheng Baoze Electric Power Petrochemical Machinery Manufacturing Co., Ltd., registered at No. 5 Hexing Road, Science and Technology Entrepreneurship Park, Hede Town, Sheyang County, with the administrative approval bureau of Sheyang County as the registration authority and Deng Kezhou as the legal representative, engages in the manufacturing and sales of spring supports and hangers, disc spring supports and hangers, air doors, baffle doors, isolation doors, desulfurization and environmental protection equipment, silencers, compensators, bituminous coal powder pipeline equipment and auxiliary equipment, other electrical equipment, other chemical pipeline accessories, and general mechanical equipment; Sales of chemical products (excluding hazardous chemicals), steel, hardware, and electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Rectangular Damper, Compensator Series, Pipeline Air Door Series

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
Weifang Dijia Environmental Protection Equipment Co., Ltd2017-12-13Fiberglass Rectangular Damper, Circular Double Gate Valve, Pneumatic Ceramic Rotary Swing Valve C2000K CNYNot Supported
Hebei Cangnuo Environmental Protection Equipment Co., Ltd2020-07-30Fiberglass Rectangular Damper, Cyclone Tower, Electric Tar Precipitator200K CNYSupported
Shanghai Lianggong Valve Factory Co., Ltd. Xi'an Sales Branch2007-06-29Fiberglass Rectangular Damper-Not Supported
Botou Youcheng Industrial and Mining Machinery Co., Ltd2012-06-11Fiberglass Rectangular Damper, Single Axis Dust Humidifier, Pipe Spiral Conveyor10000K CNYSupported
Botou General Bellows Manufacturing Co., Ltd2004-04-30Fiberglass Rectangular Damper, Expansion Joint, Rubber Compensator11680K CNYNot Supported
Zaoqiang Weikuo Fiberglass Co., Ltd2019-03-18Fiberglass Rectangular Damper, Fiberglass Tower, Glass Fiber Reinforced Plastic Variable Diameter100K CNYSupported
Suzhou Ruichuang Fluid Equipment Co., Ltd2009-10-10Fiberglass Rectangular Damper, Industrial Check Valve, Ptfe Lined Soft Sealed Butterfly Valve5000K CNYNot Supported
Yancheng Baoze Electric Power Petrochemical Machinery Manufacturing Co., Ltd2012-03-22Fiberglass Rectangular Damper, Compensator Series, Pipeline Air Door Series35000K 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