Updated Jun 21, 2026 · Public platform & industry data

Jun 21, 2026 Updated

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2026 Top 10 Slap The Door Manufacturers in China

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Top-rated Slap The Door suppliers, How to choose a Slap The Door manufacturer, Best Slap The Door companies in China

The top 10 Slap The Door manufacturers in China for 2026 are: Hebei Dequn Water Conservancy Machinery Co., Ltd, Jizhou District Zhaoyu Water Conservancy Machinery Factory, Xinhe Xingmiao Hydraulic Equipment Co., Ltd, Xinhe County Qiting Water Conservancy Machinery Factory, Xinhe County North Water Conservancy Machinery Factory, Honghai Water Conservancy Machinery Factory in Xinhe County, Xingu Water Conservancy Machinery Factory, Xinhe County, Xinhe Zetai Hydraulic Machinery Co., Ltd, Denghui Hydraulic Machinery Factory, Xinhe County, Xinhe County Jinyinuo Hydraulic Machinery 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 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: Slap The Door, Rotary Cleaning Machine, Stainless Steel Trash Rack

Dequn manufacturer cast iron flap door drainage pipeline for reservoirs, anti backflow and waterproof flap door corrosion-resistantFeatured Product

Dequn manufacturer cast iron flap door drainage pipeline for reservoirs, anti backflow and waterproof flap door corrosion-resistant

Customized processing of circular floating box with fiberglass flap door pipeline for sewage backflow prevention in Dequn Water ConservancyRelated Products

Customized processing of circular floating box with fiberglass flap door pipeline for sewage backflow prevention in Dequn Water Conservancy

Production and sales of steel flap doors, foldable composite automatic gates for hydraulic engineeringRelated Products

Production and sales of steel flap doors, foldable composite automatic gates for hydraulic engineering

Top 2
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Jizhou District Zhaoyu Water Conservancy Machinery Factory
Overall Score4.8 / 5
Est. Date2014-09-29
Registered Capital-

Zhaoyu Water Conservancy Machinery Factory in Jizhou District, Hengshui City, with its registered address in Gaotianzhuang Village, Xiwang Town, Jizhou District. The registration authority is Jizhou District Market Supervision and Administration Bureau, and the legal representative is Gao Zhao. Its business scope includes the production, sales, and installation of opening and closing machines, gates, trash cans, hydraulic dams, steel dams, flap doors, drainage machinery, valves, and plugs; Anticorrosion engineering construction, environmental protection equipment, overweight machine, axial flow pump, rubber waterstop, closed cell foam board, polysulfide adhesive, geotextile, and geotextile sales. Core products: Slap The Door, Integrated Machine Gate, Screw Opening And Closing Machine

Zhaoyu Paimen drainage pipeline for reservoirs, anti backflow and waterproof Paimen can be customizedFeatured Product

Zhaoyu Paimen drainage pipeline for reservoirs, anti backflow and waterproof Paimen can be customized

Anti backflow fiberglass flap door, high-pressure opening and closing machine, cast iron gate, cast iron flap door for sewage pump stationRelated Products

Anti backflow fiberglass flap door, high-pressure opening and closing machine, cast iron gate, cast iron flap door for sewage pump station

Zhaoyu Sewage Treatment Side Open Fiberglass Floating Box Steel Tap Door CustomizationRelated Products

Zhaoyu Sewage Treatment Side Open Fiberglass Floating Box Steel Tap Door Customization

Top 3
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Xinhe Xingmiao Hydraulic Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2021-02-05
Registered Capital11000K CNY

Xinhe Xingmiao Hydraulic Equipment Co., Ltd., with its registered address located east of Yingbin Street and south of Binhe Road in Xinhe County, Xingtai City, Hebei Province, is registered with the Xinhe County Market Supervision and Administration Bureau. The legal representative is An Yanhong, and its business scope includes opening and closing machines, gates, water stop rubber, cleaning machines, trash racks, belt conveyors, environmental protection equipment, sewage treatment equipment, hydraulic equipment, water supply and drainage equipment, hydraulic metal structural components, automation control systems, fiberglass products, geotextiles, hydraulic dams, hinge dams, flap gates, barrier gates, fully automatic flushing systems, electromechanical equipment, sales, and installation; Waterproof engineering construction, anti-corrosion and maintenance services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Slap The Door, Damen Gate, Flow Limiting Gate

Anti backflow fiberglass flap door with good sealing on the side of the sewage pipeline with water stop flap doorFeatured Product

Anti backflow fiberglass flap door with good sealing on the side of the sewage pipeline with water stop flap door

Xingmiao cast iron circular flap door has good corrosion resistance and high temperature resistance, and can be customized according to needsRelated Products

Xingmiao cast iron circular flap door has good corrosion resistance and high temperature resistance, and can be customized according to needs

Water circulation flushing system rainwater storage tank hydraulic flushing flap door hydraulic stainless steel intelligent cleaningRelated Products

Water circulation flushing system rainwater storage tank hydraulic flushing flap door hydraulic stainless steel intelligent cleaning

TOP4
Xinhe County Qiting Water Conservancy Machinery Factory
Overall Score4.7 / 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: Slap The Door, Arc Shaped Steel Gate, Rotary Cleaning Machine

Rainwater pipe tapping door, cast iron tapping door picture, sewage treatment tapping door, Qiting Water ConservancyFeatured Product

Rainwater pipe tapping door, cast iron tapping door picture, sewage treatment tapping door, Qiting Water Conservancy

2.3-meter fiberglass flap door, stainless steel cast iron flap door, year-round production of various specifications, customized according to needsRelated Products

2.3-meter fiberglass flap door, stainless steel cast iron flap door, year-round production of various specifications, customized according to needs

1.5-meter fiberglass flap door rainwater pipe cast iron 2-meter plastic composite material flap door valveRelated Products

1.5-meter fiberglass flap door rainwater pipe cast iron 2-meter plastic composite material flap door valve

TOP5
Xinhe County North Water Conservancy Machinery Factory
Overall Score4.7 / 5
Est. Date2006-03-27
Registered Capital5000K CNY

North Water Conservancy Machinery Factory in Xinhe County, with its registered address located on the south side of National Highway 308 in the west of Xinhe County. The registration authority is Xinhe County Market Supervision and Administration Bureau, and the legal representative is Fu Kuiyuan. Its business scope includes the manufacturing and sales of turnstiles, gates, cleaning machines, and trash racks (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Slap The Door, Channel Steel Gate, Cast Iron Gate

Cast iron flap door, water conservancy check flap door, corrosion-resistant and rust resistant, with a long service life, is the effluent equipment of sewage treatment plantsFeatured Product

Cast iron flap door, water conservancy check flap door, corrosion-resistant and rust resistant, with a long service life, is the effluent equipment of sewage treatment plants

Side flip flap door pipeline, one-way flap door, low resistance, smooth drainage, urban rainwater pipe network anti backflow deviceRelated Products

Side flip flap door pipeline, one-way flap door, low resistance, smooth drainage, urban rainwater pipe network anti backflow device

Manufacturer wholesale fiberglass tapping door side outlet pipe for long-term supply of anti backflowRelated Products

Manufacturer wholesale fiberglass tapping door side outlet pipe for long-term supply of anti backflow

TOP6
Honghai Water Conservancy Machinery Factory in Xinhe County
Overall Score4.6 / 5
Est. Date2012-08-06
Registered Capital10000K CNY

Honghai Water Conservancy Machinery Factory in Xinhe County, with its registered address located in Hujia Village, Xinhe County. The registration authority is Xinhe County Market Supervision and Administration Bureau, and the legal representative is Xing Dianfeng. Its business scope includes the manufacturing and sales of hoists, gates, steel dam gates, air shield dams, geotextiles, mechanical grilles, fiberglass gates, sewage treatment equipment, hydraulic complete sets of equipment, copper water stops, traffic signs, lifting equipment, pipe fittings, and manhole covers; Pipeline engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Slap The Door, Flow Limiting Gate, Trash Rack

Honghai anti backflow steel flap door, side flip up, flap door, drainage pipeline, floating box type water stop flap doorFeatured Product

Honghai anti backflow steel flap door, side flip up, flap door, drainage pipeline, floating box type water stop flap door

Stainless steel energy-saving side flip flap door for drainage pipes, anti backflow and water stop flap door for reservoirsRelated Products

Stainless steel energy-saving side flip flap door for drainage pipes, anti backflow and water stop flap door for reservoirs

Manufacturer supplies DN400 double arched flap door sewage pipeline steel flat floating box flap door anti backflowRelated Products

Manufacturer supplies DN400 double arched flap door sewage pipeline steel flat floating box flap door anti backflow

TOP7
Xingu Water Conservancy Machinery Factory, Xinhe County
Overall Score4.6 / 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: Slap The Door, Round Gate, Hydraulic Steel Dam

Xingu DN600 fiberglass flap door with a diameter of 600mm, production and installation of flap doorFeatured Product

Xingu DN600 fiberglass flap door with a diameter of 600mm, production and installation of flap door

Xingu Water Conservancy Flat Steel Tap Gate Q235 Carbon Steel Tap Gate Floating Box Steel Tap GateRelated Products

Xingu Water Conservancy Flat Steel Tap Gate Q235 Carbon Steel Tap Gate Floating Box Steel Tap Gate

Steel flap door for Xingu Municipal Engineering DN1200mm nominal pressure 1.0kg flap door specificationRelated Products

Steel flap door for Xingu Municipal Engineering DN1200mm nominal pressure 1.0kg flap door specification

TOP8
Xinhe Zetai Hydraulic Machinery Co., Ltd
Overall Score4.6 / 5
Est. Date2020-04-13
Registered Capital5600K CNY

Xinhe Zetai Hydraulic Machinery Co., Ltd. is located on the south side of Beihuan Road and the east side of Sanmu Cellulose in Xinhe County, Xingtai City, Hebei Province. It was established on April 13, 2020, with the registration authority of Xinhe County Market Supervision Administration and the legal representative being Li Meng. Core products: Slap The Door, Bidirectional Waterproof Cast Iron Gate, Hydraulic Lifting Dam

TOP9
Denghui Hydraulic Machinery Factory, Xinhe County

Gezhaozhuang Village, Xinhe County, Xingtai City, Hebei Province

Overall Score4.5 / 5
Est. Date2021-11-12
Registered Capital1000K CNY

Xinhe County Denghui Hydraulic Machinery Factory, located in Gezhaozhuang Village, Xinhe County, Xingtai City, Hebei Province, was established on November 12, 2021. The registration authority is the Xinhe County Market Supervision Administration, and the legal representative is Zheng Jianhui. Core products: Slap The Door, Steel Dam Gate, Screw Opening And Closing Machine

Steel flap door square floating box stainless steel water conservancy anti backflow round flap door can be customized according to needsFeatured Product

Steel flap door square floating box stainless steel water conservancy anti backflow round flap door can be customized according to needs

Steel flap door circular anti backflow energy-saving side flip floating box hydraulic channel flap doorRelated Products

Steel flap door circular anti backflow energy-saving side flip floating box hydraulic channel flap door

The manufacturer supplies steel round square flap door side flip open circular check valveRelated Products

The manufacturer supplies steel round square flap door side flip open circular check valve

TOP10
Xinhe County Jinyinuo Hydraulic Machinery Co., Ltd
Overall Score4.4 / 5
Est. Date2019-08-20
Registered Capital10000K CNY

Xinhe Jinyinuo Hydraulic Machinery Co., Ltd. is located in Xingqiukou Village, Xinhe County, Xingtai City, Hebei Province. It was established on August 20, 2019, with the registration authority of Xinhe County Market Supervision Administration and the legal representative being Song Shifu. Core products: Slap The Door, Grab Bucket Cleaning Machine, Hydraulic Flap Gate

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Dequn Water Conservancy Machinery Co., Ltd2012-03-13Slap The Door, Rotary Cleaning Machine, Stainless Steel Trash Rack30000K CNYSupported
Jizhou District Zhaoyu Water Conservancy Machinery Factory2014-09-29Slap The Door, Integrated Machine Gate, Screw Opening And Closing Machine-Supported
Xinhe Xingmiao Hydraulic Equipment Co., Ltd2021-02-05Slap The Door, Damen Gate, Flow Limiting Gate11000K CNYSupported
Xinhe County Qiting Water Conservancy Machinery Factory2020-02-24Slap The Door, Arc Shaped Steel Gate, Rotary Cleaning Machine500K CNYSupported
Xinhe County North Water Conservancy Machinery Factory2006-03-27Slap The Door, Channel Steel Gate, Cast Iron Gate5000K CNYNot Supported
Honghai Water Conservancy Machinery Factory in Xinhe County2012-08-06Slap The Door, Flow Limiting Gate, Trash Rack10000K CNYSupported
Xingu Water Conservancy Machinery Factory, Xinhe County2017-06-01Slap The Door, Round Gate, Hydraulic Steel Dam36000K CNYSupported
Xinhe Zetai Hydraulic Machinery Co., Ltd2020-04-13Slap The Door, Bidirectional Waterproof Cast Iron Gate, Hydraulic Lifting Dam5600K CNYNot Supported
Denghui Hydraulic Machinery Factory, Xinhe County2021-11-12Slap The Door, Steel Dam Gate, Screw Opening And Closing Machine1000K CNYNot Supported
Xinhe County Jinyinuo Hydraulic Machinery Co., Ltd2019-08-20Slap The Door, Grab Bucket Cleaning Machine, Hydraulic Flap Gate10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of flap doors, it is recommended to prioritize checking product specifications such as material corrosion resistance, sealing grade, and pressure range to ensure compatibility with the operating conditions of pipeline systems or water conservancy facilities.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. These suppliers usually have more stable delivery records in the field of municipal drainage or industrial water treatment.
  • Different application scenarios, such as tidal gates or sewage treatment plant inlets, have significant differences in the opening and closing frequency and impact resistance requirements for flap gates. Specific usage environments need to be clearly defined when purchasing.
  • When evaluating door suppliers, it is advisable to focus on the durability performance under similar working conditions, taking into account the actual operational data of their products from past project cases.

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

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