Updated Sep 18, 2026 · Public platform & industry data

Sep 18, 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: Zaoqiang County Jinda Fiberglass Co., Ltd, Hebei Ouyi Technology Group Co., Ltd, Hebei Qiqiang Composite Materials Co., Ltd, Hebei Sanluwu Environmental Protection Equipment Co., Ltd, Hebei Fufang Environmental Protection Technology Co., Ltd, Hebei Xunma Environmental Protection Equipment Co., Ltd, Hebei Huaifang Environmental Protection Equipment Co., Ltd, Foshan Mengzhu Building Materials Co., Ltd, Shandong Shengjin Fiberglass Co., Ltd, Zaoqiang County Heying Environmental Protection Equipment Manufacturing Factory. 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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Zaoqiang County Jinda Fiberglass Co., Ltd
Overall Score4.9 / 5
Est. Date2019-01-31
Registered Capital100K CNY

Zaoqiang Jinda Fiberglass Co., Ltd. is registered at No. 127 Hujiazhuang 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 Lu Jianlong. Its business scope includes the manufacturing of fiberglass reinforced plastic products, environmental protection equipment, metal products, plastic products, pumps, valves, compressors and machinery, pipeline and equipment installation, metal processing machinery manufacturing, wholesale of mechanical equipment, hardware products and electronic products, and manufacturing of gas and energy household appliances. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Square Duct, Frp Pipe, Fiberglass Outlet

Top 2
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Hebei Ouyi Technology Group Co., Ltd
Overall Score4.8 / 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 Square Duct, Fiberglass Inspection Well, Fiberglass Desulfurization Tower

Top 3
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Hebei Qiqiang Composite Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2023-03-13
Registered Capital3000K CNY

Hebei Qiqiang Composite Materials Co., Ltd., with its registered address at No. 101 Hengda Road, Xiaozhang Town, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Song Ruru, and the business scope includes general projects: manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of plastic products; Manufacturing of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of metal signs for transportation and public management; Manufacturing of specialized equipment for traffic safety and control; Sales of signs for transportation and public management; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; General equipment repair; Specialized equipment repair; Repair of metal products; Maintenance of transportation facilities; Installation services for environmental sanitation public facilities; 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 Square Duct, Fiberglass Sound Barrier,

TOP4
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 Square Duct, Fiberglass Drainage Ditch, Biological Deodorization Box

TOP5
Hebei Fufang Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2016-11-21
Registered Capital36880K CNY

Hebei Fufang Environmental Protection Technology Co., Ltd. is registered in Zaoqiang County Industrial Park, Hengshui City, Hebei Province. The registration authority is the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, and the legal representative is Qiu Zhenfeng. Its business scope includes research and development of environmental protection equipment, technology transfer, processing, manufacturing, and sales of environmental protection equipment, fiberglass products, fiberglass winding products, PE pipelines, cooling towers and fillers, central air conditioning supporting equipment products, rubber products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, molded products, fiberglass sand filled pipelines, septic tanks, and integrated treatment equipment. House rental. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Square Duct, Integrated Pumping Station, Fiberglass Water Storage Tank

TOP6
Hebei Xunma Environmental Protection Equipment Co., Ltd

No.1 Ronghua Street, Zaoqiang County, Hengshui City, Hebei Province

Overall Score4.6 / 5
Est. Date2023-02-07
Registered Capital10000K CNY

Hebei Xunma Environmental Protection Equipment Co., Ltd., located at No.1 Ronghua Street, Zaoqiang County, Hengshui City, Hebei Province, was established on February 7, 2023. The registered authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Yin Liya. Core products: Fiberglass Square Duct

TOP7
Hebei Huaifang Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2016-10-27
Registered Capital3000K CNY

Hebei Huaifang Environmental Protection Equipment Co., Ltd. is registered in Sanliying 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 Deng Weifang. The business scope includes the production, processing, and sales of fiberglass environmental protection, purification, and energy-saving equipment; Fiberglass products; Sales of purification towers, dust collectors, cooling towers, water tanks, pipelines, septic tanks, cable supports, cable trays, marker posts, signs, fiberglass extruded profiles, fiberglass molded products, pumps, and vacuum equipment; Manufacturing of pumps and vacuum equipment; Sales of specialized equipment for environmental protection; Manufacturing of specialized equipment for environmental protection; Sales of glass fiber reinforced plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of metal products; Manufacturing of metal structures; Sales of metal structures; Metal product maintenance; Installation services for ordinary mechanical equipment; Sales of anti-corrosion materials; 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 Gas Meter Box, Sewage Tank Cover Plate

TOP8
Foshan Mengzhu Building Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2014-05-14
Registered Capital1000K CNY

Foshan Mengzhu Building Materials Co., Ltd., registered at No. 18-10 Fengzi Road, Shangyong, Lintou Community, Beijiao Town, Shunde District, Foshan City, Guangdong Province (registered address declaration), registered with the Market Supervision Administration of Shunde District, Foshan City, with Feng Lichan as the legal representative. Its business scope includes sales of decorative materials, building materials (excluding hazardous chemicals), artificial stone products, garden supplies, plastic products (excluding waste plastics), handicrafts, fiberglass products, ceramic products, lighting appliances, hardware and electrical appliances, daily necessities, automobile and motorcycle accessories; Undertake mechanical and electrical installation engineering, interior design and decoration engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) (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 Imitation Copper Sculpture, Fiberglass Decorative Column

TOP9
Shandong Shengjin Fiberglass Co., Ltd
Overall Score4.5 / 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

TOP10
Zaoqiang County Heying Environmental Protection Equipment Manufacturing Factory
Overall Score4.3 / 5
Est. Date2016-12-20
Registered Capital-

Zaoqiang County Heying Environmental Protection Equipment Manufacturing Factory, with its registered address located on the east side of Fuqiang North Road in Zaoqiang County, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Fan Qingchun, and its business scope includes processing and selling fiberglass products. (If the above business scope involves licensed business projects, permission from relevant departments should be obtained before operation.). Core products: Fiberglass Square Duct, Fiberglass Cofferdam, Fiberglass Flowerpot

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zaoqiang County Jinda Fiberglass Co., Ltd2019-01-31Fiberglass Square Duct, Frp Pipe, Fiberglass Outlet100K CNYSupported
Hebei Ouyi Technology Group Co., Ltd2012-01-12Fiberglass Square Duct, Fiberglass Inspection Well, Fiberglass Desulfurization Tower100060K CNYSupported
Hebei Qiqiang Composite Materials Co., Ltd2023-03-13Fiberglass Square Duct, Fiberglass Sound Barrier, 3000K CNYSupported
Hebei Sanluwu Environmental Protection Equipment Co., Ltd2021-08-26Fiberglass Square Duct, Fiberglass Drainage Ditch, Biological Deodorization Box3000K CNYNot Supported
Hebei Fufang Environmental Protection Technology Co., Ltd2016-11-21Fiberglass Square Duct, Integrated Pumping Station, Fiberglass Water Storage Tank36880K CNYSupported
Hebei Xunma Environmental Protection Equipment Co., Ltd2023-02-07Fiberglass Square Duct10000K CNYSupported
Hebei Huaifang Environmental Protection Equipment Co., Ltd2016-10-27Fiberglass Square Duct, Fiberglass Gas Meter Box, Sewage Tank Cover Plate3000K CNYSupported
Foshan Mengzhu Building Materials Co., Ltd2014-05-14Fiberglass Square Duct, Fiberglass Imitation Copper Sculpture, Fiberglass Decorative Column1000K CNYSupported
Shandong Shengjin Fiberglass Co., Ltd2015-02-03Fiberglass Square Duct5000K CNYSupported
Zaoqiang County Heying Environmental Protection Equipment Manufacturing Factory2016-12-20Fiberglass Square Duct, Fiberglass Cofferdam, Fiberglass Flowerpot-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