Updated Aug 26, 2026 · Public platform & industry data

Aug 26, 2026 Updated

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2026 Top 10 Fiberglass Flap Door Manufacturers in China

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Top-rated Fiberglass Flap Door suppliers, How to choose a Fiberglass Flap Door manufacturer, Best Fiberglass Flap Door companies in China

The top 10 Fiberglass Flap Door manufacturers in China for 2026 are: Hebei Dequn Water Conservancy Machinery Co., Ltd, Hebei Mengshui Water Conservancy Machinery Co., Ltd, Hebei Xinzao Environmental Protection Equipment Co., Ltd, Dongyuan Water Conservancy Machinery Factory, Xinhe County, Xintai Water Conservancy Machinery Factory in Xinhe County, Xinhe County Qiting Water Conservancy Machinery Factory, Huachuan Hydraulic Machinery Factory, Xinhe County, Xinhe County Ninghai Water Conservancy Machinery Factory, Kangyu Hydraulic Machinery Factory in Xinhe County, Xingu Water Conservancy Machinery Factory, Xinhe County. 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 Dequn Water Conservancy Machinery Co., Ltd
Overall Score4.9 / 5
Est. Date2012-03-13
Registered Capital30000K CNY

Hebei Dequn Water Conservancy Machinery Co., Ltd., registered in Fuxingzhuang Village, Xinhe County (north of Baishen Substation on Anxin Line), with the registration authority of Xinhe County Market Supervision Administration and the legal representative of Zhao Huiqiang. Its business scope includes the manufacturing, sales, and installation of hoists, gates, cleaning machines, air closing plates, waterstops, conveyors, and geomembranes (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Winch Hoist, Screw Opening And Closing Machine

Top 2
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Hebei Mengshui Water Conservancy Machinery Co., Ltd
Overall Score4.8 / 5
Est. Date2021-12-15
Registered Capital10000K CNY

Hebei Mengshui Water Conservancy Machinery Co., Ltd., registered in Lujiazhuang Village, Xinhe County, Xingtai City, Hebei Province, with the registration authority of Xinhe County Market Supervision and Administration Bureau and the legal representative of Zhou Lihong, is engaged in the production and sales of opening and closing machines, gates, cleaning machines, trash racks, hydraulic metal structural components, environmental protection equipment, sewage treatment equipment, hydraulic equipment and accessories, and water supply and drainage irrigation equipment; Sales and installation of water pumps, motors, transformers, distribution cabinets, wires, cables, lifting equipment, valves, pipe fittings, rubber products, geotextiles, geomembranes, foam plates, FRP products, steel, rubber waterstops; Anti corrosion construction services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Hydraulic Steel Dam, Screw Opening And Closing Machine

Top 3
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Hebei Xinzao Environmental Protection Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2019-11-27
Registered Capital3000K CNY

Hebei Xinzao Environmental Protection Equipment Co., Ltd. is registered at 50 meters east of the intersection of Chuangye Road on the south side of the Small and Medium sized Enterprise Entrepreneurship Park in Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Lv Yanan. The business scope includes the manufacturing of environmental protection special equipment, glass fiber reinforced plastic products, metal products, plastic products, gas and energy household appliances, pumps, valves, compressors and machinery manufacturing, wholesale of mechanical equipment, hardware products and electronic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Fiberglass Purification Tower, Frp Pipe

TOP4
Dongyuan Water Conservancy Machinery Factory, Xinhe County
Overall Score4.7 / 5
Est. Date2016-03-24
Registered Capital3500K CNY

Dongyuan Water Conservancy Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Zhifangtou Village, Xinhe County. The registration authority is the Market Supervision Administration of Xinhe County, and the legal representative is Liu Xiaoliang. Its business scope includes general projects such as the manufacturing of water resources specialized machinery and equipment; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of metal structures; Sales of metal structures; Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Rubber product manufacturing; Sales of rubber products; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Motor manufacturing; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Synthetic fiber manufacturing; Sales of synthetic fibers; Manufacturing of plastic products; Sales of plastic products; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Installation services for ordinary mechanical equipment; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of photovoltaic equipment and components; Mechanical equipment research and development; Sales of mechanical equipment; 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 Flap Door, Arch Shaped Unidirectional And Bidirectional Waterproofing, Mobile Grab Bucket Cleaning Machine

TOP5
Xintai Water Conservancy Machinery Factory in Xinhe County

No. 89, Nanzhanghua Village, Xinhe Town, Xinhe County, Xingtai City, Hebei Province

Overall Score4.7 / 5
Est. Date2018-03-09
Registered Capital10000K CNY

Xintai Water Conservancy Machinery Factory, located at No. 89, Nanzhanghua Village, Xinhe Town, Xinhe County, Xingtai City, Hebei Province, was established on March 9, 2018. The registration authority is Xinhe County Market Supervision and Administration Bureau, and the legal representative is Li Shijing. Core products: Fiberglass Flap Door, Hydraulic Steel Dam, Belt Conveyor

TOP6
Xinhe County Qiting Water Conservancy Machinery Factory
Overall Score4.6 / 5
Est. Date2020-02-24
Registered Capital500K CNY

Xinhe County Qiting Water Conservancy Machinery Factory, registered in Renrangli Village, Xinhe County, Xingtai City, Hebei Province, with the registration authority of Xinhe County Market Supervision Administration and the legal representative of Jiao Hongzhen. Its business scope includes the manufacturing and sales of opening and closing machines, gates, cleaning machines, trash racks, rubber water stops, gates, and steel dams (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Cast Iron Copper Inlaid Gate, Flap Dam Gate

TOP7
Huachuan Hydraulic Machinery Factory, Xinhe County
Overall Score4.6 / 5
Est. Date2016-04-19
Registered Capital100K CNY

Huachuan Hydraulic Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Zhangzhuan Village, Gaosong, Xinhe County. The registration authority is the Market Supervision Administration of Xinhe County, and the legal representative is Geng Meixiang. Its business scope includes general projects such as the manufacturing of water resource specific machinery and equipment; Sales of mechanical equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of sludge treatment equipment; Manufacturing of metal structures; Sales of metal structures; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Sealing component manufacturing; Sales of seals; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Lubricating oil processing and manufacturing (excluding hazardous chemicals); Sales of lubricating oil; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Operation of wires and cables; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Instrument and meter repair (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 Flap Door, Cast Iron Gate, Electric Head Opening And Closing Machine

TOP8
Xinhe County Ninghai Water Conservancy Machinery Factory
Overall Score4.6 / 5
Est. Date2016-10-20
Registered Capital3000K CNY

Xinhe County Ninghai Water Conservancy Machinery Factory, with its registered address located on the south side of Zhentang Road in Xinhe County, Xingtai City, Hebei Province, is registered with the Xinhe County Market Supervision and Administration Bureau. The legal representative is Gao Chengxin, and its business scope includes the manufacturing and sales of opening and closing machines, gates, gates, trash racks, cleaning machines, rubber waterstops, geotextiles, geomembranes, bridge supports, and expansion joints (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Hand And Flashlight Dual-Purpose Screw Type Opening And Closing Machine, Rubber Water Stop

TOP9
Kangyu Hydraulic Machinery Factory in Xinhe County
Overall Score4.5 / 5
Est. Date2015-10-20
Registered Capital300K CNY

Kangyu Hydraulic Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Zhifangtou Village, Xinhe County. The registration authority is Xinhe County Market Supervision and Administration Bureau, and the legal representative is Li Fengyan. Its business scope includes the production, sales, and maintenance of opening and closing machines, gates, hoists, gates, valves, cleaning machines, trash racks, conveyors, complete sets of sewage treatment equipment, hydraulic dams, steel dams, rubber dams, hinge dams, air shield dams, segmented throttling dams, flap dams, drainage machinery, pressure steel pipes, hydraulic equipment, industrial automation electrical equipment, and automation measurement and control devices; Construction services for water conservancy and hydropower engineering, municipal engineering, and anti-corrosion engineering; Sales of environmental protection equipment, crane, control cabinet, axial flow pump, mixed flow pump, submersible pump, motor, cable, hardware products, building materials, rubber waterstop, closed cell foam plate, polysulfide adhesive, bridge support, bridge expansion joint, geotextile, geomembrane, glass fiber reinforced plastic products, gabion net, geogrid, corrugated pipe, acoustic tube (items that need to be approved according to law can only be operated after being approved by relevant departments). Core products: Fiberglass Flap Door, Handheld Cast Iron Gate, Stainless Steel Gate

TOP10
Xingu Water Conservancy Machinery Factory, Xinhe County
Overall Score4.3 / 5
Est. Date2017-06-01
Registered Capital36000K CNY

Xingu Water Conservancy Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Renrangli Village, Xinhe County. The registration authority is the Xinhe County Market Supervision and Administration Bureau, and the legal representative is Han Huiquan. Its business scope includes the production and sales of opening and closing machines, gates, cleaning machines, trash racks, rubber water stops, spiral screws, grab bucket machines, nylon pulleys, and water purification equipment (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Fiberglass Flap Door, Hydraulic Lifting Dam, Rotary Grille Machine

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Dequn Water Conservancy Machinery Co., Ltd2012-03-13Fiberglass Flap Door, Winch Hoist, Screw Opening And Closing Machine30000K CNYSupported
Hebei Mengshui Water Conservancy Machinery Co., Ltd2021-12-15Fiberglass Flap Door, Hydraulic Steel Dam, Screw Opening And Closing Machine10000K CNYSupported
Hebei Xinzao Environmental Protection Equipment Co., Ltd2019-11-27Fiberglass Flap Door, Fiberglass Purification Tower, Frp Pipe3000K CNYSupported
Dongyuan Water Conservancy Machinery Factory, Xinhe County2016-03-24Fiberglass Flap Door, Arch Shaped Unidirectional And Bidirectional Waterproofing, Mobile Grab Bucket Cleaning Machine3500K CNYNot Supported
Xintai Water Conservancy Machinery Factory in Xinhe County2018-03-09Fiberglass Flap Door, Hydraulic Steel Dam, Belt Conveyor10000K CNYSupported
Xinhe County Qiting Water Conservancy Machinery Factory2020-02-24Fiberglass Flap Door, Cast Iron Copper Inlaid Gate, Flap Dam Gate500K CNYSupported
Huachuan Hydraulic Machinery Factory, Xinhe County2016-04-19Fiberglass Flap Door, Cast Iron Gate, Electric Head Opening And Closing Machine100K CNYNot Supported
Xinhe County Ninghai Water Conservancy Machinery Factory2016-10-20Fiberglass Flap Door, Hand And Flashlight Dual-Purpose Screw Type Opening And Closing Machine, Rubber Water Stop3000K CNYSupported
Kangyu Hydraulic Machinery Factory in Xinhe County2015-10-20Fiberglass Flap Door, Handheld Cast Iron Gate, Stainless Steel Gate300K CNYNot Supported
Xingu Water Conservancy Machinery Factory, Xinhe County2017-06-01Fiberglass Flap Door, Hydraulic Lifting Dam, Rotary Grille Machine36000K CNYSupported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of fiberglass doors, it is recommended to prioritize confirming product specifications such as caliber size, pressure rating, and sealing performance to ensure compatibility with the technical parameters of pipeline systems or water conservancy facilities.
  • In scenarios such as sewage treatment and farmland irrigation, the corrosion resistance and impact resistance of fiberglass doors are crucial. When purchasing, reinforced materials or special coating processes can be selected based on specific environmental requirements.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to reduce procurement risks.
  • When applied in coastal areas or high salt alkali environments, attention should be paid to the anti salt spray design and long-term durability test data of fiberglass doors to avoid premature aging caused by environmental factors.

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