Updated Sep 11, 2026 · Public platform & industry data

Sep 11, 2026 Updated

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2026 Top 10 Fiberglass Square Duct Manufacturers in China

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

The top 10 Fiberglass Square Duct manufacturers in China for 2026 are: Hebei Sanluwu Environmental Protection Equipment Co., Ltd, Hebei Shuofang Composite Materials Technology Co., Ltd, Shanxi Glaris Metal Technology Co., Ltd, Shandong Shengjin Fiberglass Co., Ltd, Hebei Xiangqing Plastic Products Co., Ltd, Zaoqiang Guangfeng Environmental Protection Equipment Co., Ltd, Hengshui Baisheng Fiberglass Co., Ltd, Hebei Xinyue Environmental Protection Equipment Co., Ltd, Hengshui Chenghui Fiberglass Co., Ltd, Shandong Haohe Environmental Protection Technology 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 Sanluwu Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 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 Square Duct, Fiberglass Desulfurization Tower, Frp Pipe

Top 2
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Hebei Shuofang Composite Materials Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2022-06-30
Registered Capital3000K CNY

Hebei Shuofang Composite Materials Technology Co., Ltd., registered at the southwest corner of Xingyuan North Street and Gong'er Road intersection in Economic Development Zone, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Zhang Rui, and the business scope includes general projects: promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Internet sales (except for the sale of goods that need to be licensed); Professional design services; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Manufacturing of dust removal technology equipment; 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; Sales of fiberglass and related products; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of metal structures; Sales of metal products; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Sales of engineering plastics and synthetic resins; Sales of insulation materials; Mold manufacturing; Mold sales; Manufacturing of plastic products; Sales of plastic products; Installation services for ordinary mechanical equipment; Research and development of new material technology; Import and export of goods; Technology import and export (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 Square Duct, Fiberglass Sewage Tank Cover Plate, Frp Pipe

Top 3
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Shanxi Glaris Metal Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2017-04-19
Registered Capital500K CNY

Shanxi Glaris Metal Technology Co., Ltd., with its registered address at Room 307, 3rd Floor, No. 5 Fengze Road, Stainless Steel Industrial Park, Jiancaoping District, Taiyuan City. The registration authority is the Administrative Approval Bureau of Taiyuan Zhongbei High tech Industrial Development Zone Management Committee, and the legal representative is Shi Fengfeng. Its business scope includes general projects such as manufacturing metal signs for transportation and public management; Software development; Information technology consulting services; Sales of signs for transportation and public management; Sales of intelligent in car devices; Sales of metal structures; Research and development of new material technology; Sales of new metal functional materials; Sales of security equipment; Sales of building materials; Maintenance of transportation facilities; Furniture sales; Import and export of goods; Technology import and export. (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 Square Duct, Corrugated Culvert Pipe, Membrane Structure Carport

TOP4
Shandong Shengjin Fiberglass Co., Ltd
Overall Score4.7 / 5
Est. Date2015-02-03
Registered Capital5000K CNY

Shandong Shengjin Fiberglass Co., Ltd. is located in Wenzhong Community (Fiberglass Community), Xin'an Street, Anqiu City, Weifang City, Shandong Province. It was established on February 3, 2015, with the registration authority of Anqiu Market Supervision Administration and the legal representative being Zhou Chunting. Core products: Fiberglass Square Duct, Fiberglass Gas Collection Hood, Fiberglass Integrated Pump Station

TOP5
Hebei Xiangqing Plastic Products Co., Ltd
Overall Score4.7 / 5
Est. Date2017-06-20
Registered Capital10000K CNY

Hebei Xiangqing Plastic Products Co., Ltd., registered address at 5-2, South District, No. 888 Kaiyuan Road, Jizhou District, Hengshui City, Hebei Province; Multiple locations for one photo: Factory Building 3-5-4, No. 999 Kaiyuan Road, Jizhou District, Hengshui City, registered with the Jizhou District Market Supervision and Administration Bureau, with Ma Jinsong as the legal representative. The business scope includes general projects such as plastic product manufacturing; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of plastic packaging containers, tools and products for food; Sales of metal products; Rubber product manufacturing; Sales of rubber products; Installation services for ordinary mechanical equipment; Specialized equipment repair; Import and export of goods; Technology import and export; Foreign contracted projects (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: production of plastic packaging containers, tools and products for food; Construction labor subcontracting; Construction project construction (for projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects are subject to approval documents or permits). Core products: Fiberglass Square Duct, Cooling Tower Packing, Environment Protection

TOP6
Zaoqiang Guangfeng Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2018-04-11
Registered Capital1000K CNY

Zaoqiang Guangfeng Environmental Protection Equipment Co., Ltd., with its registered address at Workshop 7, Hengrun Group Multi Base Composite Materials Base (East Outer Ring North Road, Zaoqiang County), Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Du Jianhui, and its business scope includes processing, manufacturing, selling, and installing environmental protection equipment, desulfurization towers, spray towers, purification towers, absorption towers, fiberglass storage tanks, fiberglass containers, fiberglass pipelines, fiberglass membrane shells, plastic pipes, fittings and products, extrusion, molding, fiberglass towers, cooling towers, fans, water tanks, septic tanks, anti glare plate brackets, fiberglass bridge bracket clamps, road traffic facilities: fiberglass milestone Fiberglass hundred meter stakes, contour markers, sign stakes, warning signs, road barriers, municipal construction iron horses, protective barriers, directional signs Equipment such as protective stakes, warning posts, isolation piers, anti-collision buckets, isolation belts, indicator lights, traffic warning lights, road studs, anti glare panels, road speed bumps, etc. Parking lot transportation facilities: guardrails, barrier gates, wheel locators, wheel guards, parking locks, wheel locks, corner protectors, central air conditioning terminals and installation, on-site anti-corrosion and waterproof engineering, drip irrigation pipes, micro nozzles, micro irrigation complete sets of equipment, fiberglass products. 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 Square Duct, Pvc Cable Marker Post, Fiberglass Flower Pot

TOP7
Hengshui Baisheng Fiberglass Co., Ltd
Overall Score4.6 / 5
Est. Date2021-09-13
Registered Capital200K CNY

Hengshui Baisheng Fiberglass Co., Ltd. is registered in Qiliying 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 Wang Yongping. Its business scope includes the manufacturing of glass fiber reinforced plastic products. Processing, manufacturing, production, installation, maintenance, and sales of fiberglass products, environmental protection equipment, molded products, extruded products, hand pasted products, metal products, plastic products, glass flooring, steel cable trays, milestones, hundred meter stakes, marker stakes, anti glare panels, cable trays, bridge frame clamps, brackets, fiberglass pipelines, septic tanks, storage tanks, warning signs, warning stakes, road studs, contour markers, water tanks, crash buckets, guardrails; On site anti-corrosion measures (for projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Square Duct, Fiberglass Expansion Joint Bridge, Delineator

TOP8
Hebei Xinyue Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2016-10-10
Registered Capital31000K CNY

Hebei Xinyue Environmental Protection Equipment Co., Ltd., with its registered address at No. 1210 Shengli North Road, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Wang Chaojin, and its business scope includes processing, manufacturing, installing, and selling environmental protection equipment, fiberglass pipes, cable conduits, marker posts, signs, cable trays, cable brackets, water tanks, septic tanks, cooling towers, and fans; 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 Square Duct, Fiberglass Water Channel, Hot Dip Galvanized Stainless Steel Storage Tank

TOP9
Hengshui Chenghui Fiberglass Co., Ltd
Overall Score4.5 / 5
Est. Date2021-07-26
Registered Capital2000K CNY

Hengshui Chenghui Fiberglass Co., Ltd. is registered at No. 369 Zhonghua East Street, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Li Yonghui. The business scope includes the manufacturing of fiberglass and products. Production, processing, manufacturing, sales, installation of fiberglass products, fiberglass models, environmental protection equipment, rainwater collection tanks, fire water tanks, fiberglass gutters, fiberglass dust covers, fiberglass simulation models, conveyor belt covers, deodorization boxes, sewage treatment equipment, desulfurization and dust removal purification towers, defoggers, winding pipelines, cable conduits, septic tanks, oil separators, inspection wells, purification towers, cooling towers, cooling tower fillers, cooling tower accessories, cable trays, cable supports, sign posts, signs, water tanks, sewage tank cover plates, extruded profiles, fiberglass storage tanks, fans, windbreak walls, gas meter boxes, mining ladder rooms, supporting metal products; Undertake the export business of environmental protection equipment, water supply and drainage, cooling tower renovation and maintenance, anti-corrosion, and the operation of our own products and technologies. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Square Duct, Glass Steel Cooling Tower, Fiberglass Acid Mist Purification Tower

TOP10
Shandong Haohe Environmental Protection Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2018-09-06
Registered Capital23600K CNY

Shandong Haohe Environmental Protection Technology Co., Ltd., with its registered address located on the west side of Wenshui South Road, Xin'an Street, Anqiu City, Weifang City, Shandong Province, is registered with the Anqiu Market Supervision and Administration Bureau. The legal representative is Han Shimei, and its business scope includes research and development, production, sales, installation, and maintenance of environmental protection equipment, fiberglass products, cooling towers, purification equipment, and similar equipment; Sales: glass fiber and products, polyurethane foam plastics, hardware products, chemical products (excluding hazardous chemicals); Environmental engineering services (flue gas desulfurization, denitrification, dust removal), anti-corrosion and insulation engineering services, installation and construction of water treatment systems, pipeline and equipment installation; Wastewater treatment; Engineering survey and design. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Square Duct, Fiberglass Purification Tower,

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Sanluwu Environmental Protection Equipment Co., Ltd2021-08-26Fiberglass Square Duct, Fiberglass Desulfurization Tower, Frp Pipe3000K CNYNot Supported
Hebei Shuofang Composite Materials Technology Co., Ltd2022-06-30Fiberglass Square Duct, Fiberglass Sewage Tank Cover Plate, Frp Pipe3000K CNYSupported
Shanxi Glaris Metal Technology Co., Ltd2017-04-19Fiberglass Square Duct, Corrugated Culvert Pipe, Membrane Structure Carport500K CNYSupported
Shandong Shengjin Fiberglass Co., Ltd2015-02-03Fiberglass Square Duct, Fiberglass Gas Collection Hood, Fiberglass Integrated Pump Station5000K CNYSupported
Hebei Xiangqing Plastic Products Co., Ltd2017-06-20Fiberglass Square Duct, Cooling Tower Packing, Environment Protection10000K CNYNot Supported
Zaoqiang Guangfeng Environmental Protection Equipment Co., Ltd2018-04-11Fiberglass Square Duct, Pvc Cable Marker Post, Fiberglass Flower Pot1000K CNYSupported
Hengshui Baisheng Fiberglass Co., Ltd2021-09-13Fiberglass Square Duct, Fiberglass Expansion Joint Bridge, Delineator200K CNYSupported
Hebei Xinyue Environmental Protection Equipment Co., Ltd2016-10-10Fiberglass Square Duct, Fiberglass Water Channel, Hot Dip Galvanized Stainless Steel Storage Tank31000K CNYSupported
Hengshui Chenghui Fiberglass Co., Ltd2021-07-26Fiberglass Square Duct, Glass Steel Cooling Tower, Fiberglass Acid Mist Purification Tower2000K CNYSupported
Shandong Haohe Environmental Protection Technology Co., Ltd2018-09-06Fiberglass Square Duct, Fiberglass Purification Tower, 23600K 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