Updated Jun 14, 2026 · Public platform & industry data

Jun 14, 2026 Updated

English
title decor left

2026 Top 10 Drainage Cap Manufacturers in China Jiangsu

title decor right

Top-rated Drainage Cap suppliers, How to choose a Drainage Cap manufacturer, Best Drainage Cap companies in China

The top 10 Drainage Cap manufacturers in Jiangsu for 2026 are: Jiangsu Nantai Environmental Protection Packing Co., Ltd, Wuxi Tianling Environmental Protection Technology Co., Ltd, Yixing Weiya Environmental Protection Packing Factory, Jiangsu Hehong Environmental Protection Technology Co., Ltd, Yixing Shengquan Water Treatment Equipment Co., Ltd, Jiangsu Meiruisco Environmental Protection Technology Co., Ltd, Jiangsu Jingheng Environmental Protection Technology Co., Ltd, Yixing Suwan Environmental Protection Technology Co., Ltd, Yixing Jinneng Environmental Protection Equipment Co., Ltd, Jiangsu Pengtai 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.

Collapse
JiangsuJiangsu
Top 1
background image
Jiangsu Nantai Environmental Protection Packing Co., Ltd
Overall Score4.9 / 5
Est. Date2010-05-25
Registered Capital10600K CNY

Jiangsu Nantai Environmental Protection Filling Co., Ltd., registered at No. 18 Zhongqiao Road, Gaocheng Town, Yixing City, with the registration authority of Yixing Data Bureau and the legal representative of Du Shunming, has a business scope including general projects: sales of plastic products; Manufacturing of plastic products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); Ordinary mechanical equipment installation services (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Drainage Cap, Wastewater Treatment, Ultra Magnetic Separation And Clarification Device

Top 2
background image
Wuxi Tianling Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2016-02-22
Registered Capital1000K CNY

Wuxi Tianling Environmental Protection Technology Co., Ltd., with its registered address located in the Industrial Concentration Zone of Heqiao Town, Yixing City, registered with Yixing Data Bureau, and represented by Zhao Xia as the legal representative, engages in the manufacturing, processing, and sales of environmental protection equipment and accessories, as well as general mechanical equipment; Design and construction of environmental protection projects; Sales of environmentally friendly fillers, fiberglass products, wires and cables, fountain equipment, and rubber products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) Licensed projects: import and export of goods; Technology import and export (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General project: Manufacturing of plastic products; Sales of plastic products; Sales of ecological environment materials; Ecological restoration and protection services (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: Drainage Cap, Fine Bubble Diffuser , Oblique Pipe Packing

Top 3
background image
Yixing Weiya Environmental Protection Packing Factory
Overall Score4.7 / 5
Est. Date2010-03-30
Registered Capital5000K CNY

Yixing Weiya Environmental Protection Packing Factory, with its registered address at No. 278 Ezhou South Road, Heqiao Town, Yixing City, registered with the Yixing Administrative Approval Bureau, and represented by Yang Junwei as its legal representative. Its business scope includes the manufacturing and sales of environmental protection fillers and water treatment equipment; Sales of environmental protection equipment and accessories; Design and construction of environmental protection projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Drainage Cap, Elastic Filler, Disc Aerator

TOP4
Jiangsu Hehong Environmental Protection Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-11-26
Registered Capital30000K CNY

Jiangsu Hehong Environmental Protection Technology Co., Ltd., with its registered address at No. 2 Huahui Road, Industrial Park, Gaocheng Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Shao Yile as its legal representative. Its business scope includes licensed projects such as construction projects; Construction project design; Construction professional operations; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Residential interior decoration and renovation; Construction project supervision; Construction labor subcontracting; Manufacturing of special equipment; Special equipment inspection and testing; Installation, renovation, and repair of special equipment; Professional operations for river dredging construction; Hazardous waste management (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Industrial design services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of specialized equipment for refining and chemical production; Manufacturing of specialized equipment for refining and chemical production; Manufacturing of electronic specialized equipment; Sales of electronic specialized equipment; Manufacturing of household waste treatment equipment; Sales of household waste treatment equipment; Fishery machinery manufacturing; Sales of fishing machinery; Manufacturing of specialized machinery and equipment for water resources; General equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical equipment; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Manufacturing of vibration and noise reduction equipment; Sales of vibration and noise reduction equipment; Manufacturing of metal structures; Sales of metal structures; Rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of metal chains and other metal products; Sales of metal products; Installation services for ordinary mechanical equipment; Sales of non-metallic minerals and products; Sales of glass fiber reinforced plastic products; Sales of specialized chemical products (excluding hazardous chemicals); Sales of sealing fillers; Sales of ecological environment materials; Sales of instruments and meters; Operation of wires and cables; Sales of metal materials; Sales of synthetic materials; Sales of valves and plugs; Environmental consulting services; External contracting projects; Construction of landscaping and greening projects; Management of flood prevention and drainage facilities; Water pollution control; Manufacturing of electronic (gas) physical equipment and other electronic devices; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of special equipment; Manufacturing of specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Manufacturing of specialized instruments for navigation, surveying, meteorology, and oceanography; Sales of specialized instruments for navigation, surveying, meteorology, and oceanography; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Manufacturing of marine environment monitoring and detection equipment; Sales of marine environmental monitoring and detection equipment; Sales of mechanical and electrical equipment; Rolling and processing of non-ferrous metals; Mechanical parts and component processing; Sales of mechanical parts and components; General equipment repair; Specialized equipment repair; Instrument and meter repair; Mechanical equipment leasing; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Import and export of goods; Technology import and export; Import and export agency (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: Drainage Cap, Rotary Mixing Aerator, Scraper

TOP5
Yixing Shengquan Water Treatment Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2010-09-16
Registered Capital5800K CNY

Yixing Shengquan Water Treatment Equipment Co., Ltd., with its registered address located on the south side of Gaocheng Road, Yongxing Village, Heqiao Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Shen Linyan. Its business scope includes licensed projects such as power generation, transmission, and power supply (distribution); Construction projects (projects that require approval by law and can only be operated after approval by relevant departments, with specific business projects subject to approval results) General projects: Manufacturing of specialized environmental protection equipment; Sales of specialized equipment for environmental protection; Manufacturing of specialized machinery and equipment for water resources; Sales of mechanical equipment; Manufacturing of plastic products; Sales of plastic products; Sales of rubber products; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Mechanical parts and component processing; Sales of mechanical parts and components; Installation services for ordinary mechanical equipment; Environmental consulting services; Engineering management services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Rental services (excluding licensed rental services); Non residential real estate leasing (except for projects that require approval according to law, operating activities can be carried out independently based on the business license in accordance with the law). Core products: Drainage Cap, Mbbr Filler, Rotary Mixing Aerator

TOP6
Jiangsu Meiruisco Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2008-11-07
Registered Capital10000K CNY

Jiangsu Meiruisco Environmental Protection Technology Co., Ltd., with its registered address at No. 37 Chengwen Road, Gaocheng Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Jiang Meiqin. Its business scope includes licensed projects such as wire and cable manufacturing; Power supply business (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Manufacturing of plastic products; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of glass fiber reinforced plastic products; Production of labor protection equipment; Installation services for ordinary mechanical equipment; Municipal facility management; Manufacturing of metal materials; Rubber product manufacturing; Manufacturing of specialized equipment for environmental protection; Research and development of new material technology; Wire and cable business (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: Drainage Cap, Filler, Ball Crown Aerator

TOP7
Jiangsu Jingheng Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2021-04-07
Registered Capital10000K CNY

Jiangsu Jingheng Environmental Protection Technology Co., Ltd., with its registered address at No. 11 Nanxin East Road, Heqiao Town, Yixing City, is registered with the Yixing Administrative Approval Bureau. The legal representative is Zhou Tao, and its business scope includes licensed projects: various engineering construction activities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Specialized equipment repair; Environmental consulting services; Manufacturing of plastic products; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of general components; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Mold manufacturing; Mold sales; Sales of ecological environment materials; Sales of metal materials; Sales of specialized chemical products (excluding hazardous chemicals); Sales of instruments and meters; Sales of electrical equipment; Sales of pumps and vacuum equipment; Sales of valves and plugs; Sales of synthetic materials; Ordinary mechanical equipment installation services (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Drainage Cap, Braided Rope Type Filling Material, Flat Aerator

TOP8
Yixing Suwan Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-04-28
Registered Capital3800K CNY

Yixing Suwan Environmental Protection Technology Co., Ltd., with its registered address at No. 11 Nanxin East Road, Heqiao Town, Yixing City, is registered with the Yixing Administrative Approval Bureau. The legal representative is Zhou Zhenyan, and its business scope includes licensed projects: various engineering construction activities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: technical services, technology development, technical consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Specialized equipment repair; Sales of specialized equipment for environmental protection; Environmental consulting services; Manufacturing of plastic products; Sales of plastic products; Manufacturing of general components; Manufacturing of hardware products; Research and development of hardware products; Retail of hardware products; Mold manufacturing; Mold sales; Sales of metal materials; Sales of instruments and meters; Sales of electrical equipment; Sales of pumps and vacuum equipment; Sales of valves and plugs; Sales of synthetic materials; Sales of specialized chemical products (excluding hazardous chemicals) (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: Drainage Cap, Elastic Filler, Stair Ring

TOP9
Yixing Jinneng Environmental Protection Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date1984-04-18
Registered Capital3000K CNY

Yixing Jinneng Environmental Protection Equipment Co., Ltd., with its registered address in Chengxi Village, Gaocheng Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Du Weiqun. Its business scope includes the manufacturing of fiberglass products, water pollution prevention and control equipment, and plastic products; Ordinary freight. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Drainage Cap, Pipe Support, Plastic Hollow Ball

TOP10
Jiangsu Pengtai Environmental Protection Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2016-10-17
Registered Capital10000K CNY

Jiangsu Pengtai Environmental Protection Technology Co., Ltd., with its registered address located in Gaocheng Town Industrial Park, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Shao Qi as its legal representative. Its business scope includes licensed projects such as construction projects; Construction project design; Construction professional operations (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Industrial design services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; 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; Manufacturing of household waste treatment equipment; Sales of household waste treatment equipment; General equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical equipment; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of metal structures; Sales of metal structures; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of metal chains and other metal products; Sales of metal products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Installation services for ordinary mechanical equipment; Sales of non-metallic minerals and products; Sales of glass fiber reinforced plastic products; Sales of specialized chemical products (excluding hazardous chemicals); Sales of sealing fillers; Sales of ecological environment materials; Sales of instruments and meters; Operation of wires and cables; Sales of metal materials; Import and export of goods; Technology import and export; Import and export agency (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: Drainage Cap, Elastic Filler, Aeration Head

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Nantai Environmental Protection Packing Co., Ltd2010-05-25Drainage Cap, Wastewater Treatment, Ultra Magnetic Separation And Clarification Device10600K CNYSupported
Wuxi Tianling Environmental Protection Technology Co., Ltd2016-02-22Drainage Cap, Fine Bubble Diffuser , Oblique Pipe Packing1000K CNYSupported
Yixing Weiya Environmental Protection Packing Factory2010-03-30Drainage Cap, Elastic Filler, Disc Aerator5000K CNYNot Supported
Jiangsu Hehong Environmental Protection Technology Co., Ltd2015-11-26Drainage Cap, Rotary Mixing Aerator, Scraper30000K CNYSupported
Yixing Shengquan Water Treatment Equipment Co., Ltd2010-09-16Drainage Cap, Mbbr Filler, Rotary Mixing Aerator5800K CNYSupported
Jiangsu Meiruisco Environmental Protection Technology Co., Ltd2008-11-07Drainage Cap, Filler, Ball Crown Aerator10000K CNYSupported
Jiangsu Jingheng Environmental Protection Technology Co., Ltd2021-04-07Drainage Cap, Braided Rope Type Filling Material, Flat Aerator10000K CNYSupported
Yixing Suwan Environmental Protection Technology Co., Ltd2010-04-28Drainage Cap, Elastic Filler, Stair Ring 3800K CNYSupported
Yixing Jinneng Environmental Protection Equipment Co., Ltd1984-04-18Drainage Cap, Pipe Support, Plastic Hollow Ball3000K CNYNot Supported
Jiangsu Pengtai Environmental Protection Technology Co., Ltd2016-10-17Drainage Cap, Elastic Filler, Aeration Head10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of drainage caps, it is recommended to prioritize confirming key technical parameters such as aperture size, material corrosion resistance, and pressure bearing capacity to ensure compatibility with the pipeline system.
  • In industrial wastewater treatment or building drainage systems, the filtration accuracy and anti clogging performance of drainage caps may require targeted screening due to differences in scenarios, such as the need to strengthen structural design in high suspended solids environments.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information. These indicators can assist in evaluating supply stability and product reliability.
  • If the drainage cap is used in the chemical industry, additional attention should be paid to the adaptability of the material to acidic and alkaline media, and it is recommended to conduct a horizontal comparison with the industry data support of the supplier.

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