2026 Top 10 Drainage Cap Manufacturers in China

Jiangsu Hehong Environmental Protection Technology Co., Ltd

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, Screw Nozzle, Integrated Sewage Treatment Equipment

Cangzhou Tongbang Pipeline Equipment Co., Ltd

Cangzhou Tongbang Pipeline Equipment Co., Ltd. is registered in Zhanglongtan, Bianwu Township, Yanshan County. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Liu Zhiqiang. Its business scope includes the production of pipe fittings, wear-resistant pipe fittings, pipeline equipment and accessories, and the sales of steel pipes, steel pipes, and wire rods. To engage in the export business of self-produced products and technologies of our enterprise, as well as the import and export business of raw materials and technologies for mechanical equipment spare parts required by our enterprise.. Core products: Drainage Cap, Pipe Support, Spring Support Hanger

Chengdu Chuantai Juhao Valve Co., Ltd

Chengdu Chuantai Juhao Valve Co., Ltd., with its registered address at No. 18A, 1st Floor, Building 12, No. 222 Jiaoda Road, Jinniu District, Chengdu, is registered with the Jinniu District Market Supervision and Administration Bureau. The legal representative is Wang Hengyuan, and its business scope includes production, processing (limited to branch offices operating at other locations), wholesale, and retail of valves, pipe fittings, hardware products, building materials, steel, fire-fighting equipment, plastic products, metal materials, and metal products.. Core products: Drainage Cap, Rail Crossing Pipe, Bellows

Jiangsu Jiexiang Environmental Protection Co., Ltd

Jiangsu Jiexiang Environmental Protection Co., Ltd., with its registered address at No. 2 Xiangshan Road, Xichu Village, Heqiao Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Li Dongyang as the 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 specialized machinery and equipment for water resources; Manufacturing of sludge treatment equipment; Manufacturing of dust removal technology equipment; Manufacturing of gas and liquid separation and purification equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of plastic products; Rubber product manufacturing; Manufacturing of hardware products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of instruments and meters; Manufacturing of non-ferrous metal alloys; Mold manufacturing; Mechanical parts and component processing; Sales of specialized equipment for environmental protection; Sales of gas and liquid separation and purification equipment; Sales of mechanical equipment; Sales of plastic products; Sales of glass fiber reinforced plastic products; Sales of metal materials; Sales of engineering plastics and synthetic resins; Sales of metal products; Sales of rubber products; Wholesale of hardware products; Retail of hardware products; Sales of mechanical parts and components; Sales of instruments and meters; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of anti-corrosion materials; General equipment repair; Solid waste management; Water pollution control; Water pollution prevention and control services; Air pollution control; Soil pollution control and remediation services; Environmental protection monitoring; Water related consulting services; Development of intelligent water management system; Mechanical equipment research and development; Technology promotion and application services; Technology promotion services; 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: Drainage Cap, Fluidized Bed Packing, Native Coconut Shell Activated Carbon

Jiangsu Zhengjie Environmental Protection Co., Ltd

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: Drainage Cap, Ball Ring Packing, Fluidized Bed Packing

Henan Longzheng Water Treatment Materials Co., Ltd

Henan Longzheng Water Treatment Materials Co., Ltd., with its registered address in Shijing Village, Jiajinkou Town, Gongyi City, is registered with the Gongyi Market Supervision and Administration Bureau. The legal representative is Wei Zhengguang, and its business scope includes the production of fiber balls and fiber bundles; Distribution: Fiber balls, fiber bundles, activated carbon, anthracite filter media, magnetite, sponge iron, polyacrylamide, polyaluminum chloride, water purification fillers, honeycomb inclined tubes, diamond sand, zeolite, vermiculite, fruit shell filter media, quartz sand, refractory materials, chemical products (excluding dangerous goods); Sales and after-sales service of water purification equipment and accessories.. Core products: Drainage Cap, Powdered Activated Carbon, Honeycomb Inclined Tube

Beijing Weiyuan Environmental Protection Technology Co., Ltd

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: Drainage Cap, Water Treatment Chemicals, Water Treatment Filter Media