Updated Oct 16, 2026 · Public platform & industry data

Oct 16, 2026 Updated

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2026 Top 10 Water Cap Manufacturers in China

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

The top 10 Water Cap manufacturers in China for 2026 are: Yixing Weiya Environmental Protection Packing Factory, Hebei Xiangqing Plastic Products Co., Ltd, Zhengzhou Renquan Environmental Protection Technology Co., Ltd, Hebei Lianda Filter Equipment Co., Ltd, Jiangsu Zhengjie Environmental Protection Co., Ltd, Yixing Zhichen Environmental Protection Equipment Co., Ltd, Nantong Mingxiang Plastic Products Co., Ltd, Gongyi Sifeng Water Purification Materials Co., Ltd, Yixing Suwan Environmental Protection Technology Co., Ltd, Beijing Weiyuan 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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Yixing Weiya Environmental Protection Packing Factory
Overall Score4.9 / 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: Water Cap, Elastic Filler, Short Stem Filter Head

Top 2
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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: Water Cap, Seedling Tray, Environment Protection

Top 3
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Zhengzhou Renquan Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-03-05
Registered Capital7000K CNY

Zhengzhou Renquan Environmental Protection Technology Co., Ltd., with its registered address at No.1 Chuangye Road, Beishankou Town, Gongyi City, Zhengzhou City, Henan Province, is registered with the Gongyi Market Supervision Administration Bureau and represented by Shi Xiaojie. Its business scope includes the production and sale of water treatment fillers and water purification materials; Sales: chemical products (excluding hazardous chemicals), pipeline fittings, environmental protection equipment and spare parts; Environmental engineering construction; Environmental protection technology services; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval).. Core products: Water Cap, Powdered Activated Carbon, Fine Bubble Diffuser

TOP4
Hebei Lianda Filter Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2004-07-08
Registered Capital20000K CNY

Hebei Lianda Filter Equipment Co., Ltd. is registered in Chengdong Development Zone, Anping County, Hengshui City, Hebei Province. The registration authority is the Anping County Administration for Industry and Commerce of Hengshui City, and the legal representative is Zhang Zichao. Its business scope includes the production and sales of filter equipment, accessories, filter devices, and import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Water Cap, Cone Filter, Sintered Felt Folding Filter Element

TOP5
Jiangsu Zhengjie Environmental Protection Co., Ltd
Overall Score4.6 / 5
Est. Date2020-12-16
Registered Capital10000K CNY

Jiangsu Zhengjie Environmental Protection Co., Ltd., with its registered address at No. 169 Zhongxin Road, Gaocheng Town, Yixing City, registered with the Yixing Administrative Approval Bureau, and represented by Kang Xufeng as its legal representative. Its business scope includes licensed projects such as construction projects; Construction engineering design (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General project: Manufacturing of specialized environmental protection equipment; Manufacturing of industrial automatic control system devices; Manufacturing of specialized machinery and equipment for water resources; Manufacturing of sludge treatment equipment; Manufacturing of gas and liquid separation and purification equipment; Manufacturing of dust removal technology equipment; General equipment manufacturing (excluding special equipment manufacturing); Mechanical parts and component processing; Manufacturing of instruments and meters; Manufacturing of plastic products; Rubber product manufacturing; Manufacturing of hardware products; Mold manufacturing; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of specialized equipment for environmental protection; Sales of industrial automatic control system devices; Sales of gas and liquid separation and purification equipment; Sales of mechanical parts and components; Sales of mechanical equipment; Wholesale of hardware products; Retail of hardware products; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Sales of metal products; Sales of insulation materials; Sales of plastic products; Sales of rubber products; Sales of metal materials; Sales of glass fiber reinforced plastic products; Sales of instruments and meters; Sales of anti-corrosion materials; Sales of engineering plastics and synthetic resins; External contracting projects; Engineering management services; Engineering and technical research and experimental development; Soil pollution control and remediation services; Water pollution control; Water pollution prevention and control services; Air pollution control; Solid waste management; Environmental protection monitoring; Development of intelligent water management system; Technology promotion and application services; Mechanical equipment research and development; General equipment repair; Installation services for ordinary mechanical equipment; Water related consulting services; Environmental consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Technology import and export; Import and export of goods; 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: Water Cap, Aeration Disc, Hollow Sphere Packing

TOP6
Yixing Zhichen Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2022-01-12
Registered Capital1050K CNY

Yixing Zhichen Environmental Protection Equipment Co., Ltd., with its registered address at No. 20 Saite Road, Gaocheng Town, Yixing City, registered with Yixing Data Bureau, and represented by Wang Xiaopeng as its legal representative. Its business scope includes general projects such as the manufacturing of specialized environmental protection equipment; Specialized equipment repair; Sales of specialized equipment for environmental protection; Environmental consulting services; Manufacturing of metal processing machinery; General equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical equipment; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of general components; Manufacturing of mechanical and electrical equipment; Electrical equipment repair; Sales of electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of hardware products; Retail of hardware products; Sales of ecological environment materials; Sales of specialized chemical products (excluding hazardous chemicals); Manufacturing of plastic products; Sales of plastic products; Sales of valves and plugs; Sales of pumps and vacuum equipment; 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, business activities can be carried out independently with a business license in accordance with the law). Core products: Water Cap, Decanter, Air Flotation Machine

TOP7
Nantong Mingxiang Plastic Products Co., Ltd
Overall Score4.5 / 5
Est. Date2014-09-22
Registered Capital500K CNY

Nantong Mingxiang Plastic Products Co., Ltd. is registered in Group 13, Jinbei Village, Jinsha Town, Tongzhou District, Nantong City. The registration authority is the Tongzhou District Administrative Approval Bureau of Nantong City, and the legal representative is Li Ming. The business scope includes plastic products, plastic molds, steel plastic composite pipeline products, mechanical equipment, metal products, metal mold manufacturing, maintenance, and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Water Cap, Water Cap, Drainage Cap

TOP8
Gongyi Sifeng Water Purification Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2016-04-11
Registered Capital2000K CNY

Gongyi Sifeng Water Purification Materials Co., Ltd., with its registered address in Xicun Village, Xicun Town, Gongyi City, is registered with the Gongyi Market Supervision Administration Bureau. The legal representative is Li Xiaoming, and its business scope includes the production of fiber balls; Sales: polyaluminum chloride, flocculant, water purification agent, activated carbon, water purification filter material, environmentally friendly filler, metal materials.. Core products: Water Cap, Powdered Activated Carbon, Sodium Acetate, Sodium Acetate

TOP9
Yixing Suwan Environmental Protection Technology Co., Ltd
Overall Score4.4 / 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: Water Cap, Disc Aerator, Drainage Cap

TOP10
Beijing Weiyuan Environmental Protection Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2017-11-16
Registered Capital10000K CNY

Beijing Weiyuan Environmental Protection Technology Co., Ltd., with its registered address at Room 203, South Building, No.1 Xingqiao Street, Qiaozi Town, Huairou District, Beijing, is registered with the Huairou District Market Supervision Administration of Beijing. The legal representative is Sun Songfeng, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Water pollution control; Sales of non-metallic minerals and products; Manufacturing of non-metallic mineral products; Manufacturing of ecological environment materials; Sales of ecological environment materials; Air pollution control; Sales of plastic products; Sales of metal products; Sales of specialized equipment for environmental protection; External contracting projects; Labor services (excluding labor dispatch); Specialized equipment repair; Installation services for ordinary mechanical equipment; General equipment 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) Licensed project: construction project construction; Construction labor subcontracting. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) (Business activities that are prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Water Cap, Water Treatment Chemicals, Water Treatment Filter Media

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Yixing Weiya Environmental Protection Packing Factory2010-03-30Water Cap, Elastic Filler, Short Stem Filter Head5000K CNYNot Supported
Hebei Xiangqing Plastic Products Co., Ltd2017-06-20Water Cap, Seedling Tray, Environment Protection10000K CNYNot Supported
Zhengzhou Renquan Environmental Protection Technology Co., Ltd2020-03-05Water Cap, Powdered Activated Carbon, Fine Bubble Diffuser 7000K CNYSupported
Hebei Lianda Filter Equipment Co., Ltd2004-07-08Water Cap, Cone Filter, Sintered Felt Folding Filter Element20000K CNYSupported
Jiangsu Zhengjie Environmental Protection Co., Ltd2020-12-16Water Cap, Aeration Disc, Hollow Sphere Packing10000K CNYSupported
Yixing Zhichen Environmental Protection Equipment Co., Ltd2022-01-12Water Cap, Decanter, Air Flotation Machine1050K CNYSupported
Nantong Mingxiang Plastic Products Co., Ltd2014-09-22Water Cap, Water Cap, Drainage Cap500K CNYNot Supported
Gongyi Sifeng Water Purification Materials Co., Ltd2016-04-11Water Cap, Powdered Activated Carbon, Sodium Acetate, Sodium Acetate2000K CNYNot Supported
Yixing Suwan Environmental Protection Technology Co., Ltd2010-04-28Water Cap, Disc Aerator, Drainage Cap3800K CNYSupported
Beijing Weiyuan Environmental Protection Technology Co., Ltd2017-11-16Water Cap, Water Treatment Chemicals, Water Treatment Filter Media10000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of water caps, it is recommended to prioritize checking product specifications such as filtration accuracy, material corrosion resistance, and connection methods to ensure compatibility with existing water treatment systems.
  • Water caps are widely used in industrial filtration, sewage treatment, and other scenarios. When purchasing, gap or borehole structures can be selected based on specific scenario requirements to balance flow and interception efficiency.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information, and priority should be given to selecting partners with stable supply capabilities.
  • Water caps made of different materials (such as ABS or stainless steel) are suitable for different acidic and alkaline environments, and their long-term durability should be evaluated based on the characteristics of the medium when purchasing.

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