2026 Top 10 Flap Valve Manufacturers in China

Wenzhou Tongtu Valve Co., Ltd

Wenzhou Tongtu Valve Co., Ltd., registered at Room 604, Zone A, Building 1, Jiangyue Yunzhuang, Sanqiao Community, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province, registered with the Yongjia County Market Supervision and Administration Bureau, with Guo Lingyu as the legal representative. Its business scope includes general projects: manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Valve and plug research and development; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of plastic products; Sales of plastic products; Manufacturing of electronic components; Wholesale of electronic components; Manufacturing of forgings and powder metallurgy products; Sales of forgings and powder metallurgy products; Sales of mechanical equipment; Nonferrous metal casting; Sales of intelligent robots; Research and development of intelligent robots; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of liquid tight components and systems; Sales of liquid tight components and systems; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of metallurgical specialized equipment; Sales of metallurgical specialized equipment; Sales of hydraulic power machinery and components; Manufacturing of hydraulic power machinery and components; Sales of pneumatic power machinery and components; Sales of special equipment; Manufacturing of hydraulic power machinery and components; Sales of metal structures; Manufacturing of metal structures; Sales of metal products; Sales of electrical equipment; Sales of building materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of IoT devices; Sales of mechanical and electrical equipment; Sales of fans and blowers; Research and development of emerging energy technologies; Manufacturing of pneumatic power machinery and components; Sales of electrical instruments and meters; Sales of intelligent instruments and meters; Sales of firefighting equipment; Sales of supply instruments and meters; Manufacturing of supply instruments and meters; Manufacturing of clocks and timing instruments; Manufacturing of electrical instruments and meters; Manufacturing of intelligent instruments and meters; Manufacturing of specialized equipment for petroleum drilling and production; Fan and fan manufacturing; Manufacturing of instruments and meters; Manufacturing of mechanical and electrical equipment; Sales of instruments and meters; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Manufacturing of electronic (gas) physical equipment and other electronic devices; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of pharmaceutical specialized equipment; Sales of specialized equipment for environmental protection; Manufacturing of general components; Installation services for ordinary mechanical equipment; Sales of metal materials; Manufacturing of metal materials; Manufacturing of specialized equipment for environmental protection (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: Manufacturing of special equipment (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).. Core products: Flap Valve, Electric Ventilation Butterfly Valve, Ceramic Butterfly Valve

Cangzhou Changtong Environmental Protection Equipment Co., Ltd

Cangzhou Changtong Environmental Protection Equipment Co., Ltd., with its registered address in Xiaoyuan Village, Qiqiao Town, Botou City, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Gao Yue, and its business scope includes general projects such as the manufacturing of specialized environmental protection equipment; Sales of specialized equipment for environmental protection; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of bearings, gears, and transmission components; Sales of bearings, gears, and transmission components; Manufacturing of drawing, calculation, and measuring instruments; Sales of drawing, calculation, and measuring instruments; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Flap Valve, Air Door, Ventilation Butterfly Valve, Palatal Valve

Botou Jiayuan Environmental Protection Machinery Equipment Co., Ltd

Botou Jiayuan Environmental Protection Machinery Equipment Co., Ltd., with its registered address located in Xiaoduli Village North, Botou City, is registered with the Botou Market Supervision and Administration Bureau. The legal representative is Li Weisong, and its business scope includes the manufacturing of specialized environmental protection equipment. Dust removal equipment, dust removal accessories, conveying equipment, ventilation valves, pipeline expansion joints, VOCS waste gas treatment equipment, catalytic combustion equipment, zeolite fixed bed, RTO incineration equipment, zeolite wheel production, sales, installation, maintenance, and renovation; Sales of cast iron and steel castings; Mechanical processing * * (projects that require approval by law can only be operated after approval by relevant departments). Core products: Flap Valve, Dust Collector Accessories, Whirlwind

Jinan Zhanggong Hengli Environmental Technology Co., Ltd

Jinan Zhanggong Hengli Environmental Technology Co., Ltd., with its registered address located 500 meters north of Luohe Road intersection in Diaozhen Street, Zhangqiu District, Jinan City, Shandong Province, is registered with the Zhangqiu District Market Supervision and Administration Bureau of Jinan City. The legal representative is Han Linyue, and the business scope includes technology research and development, technology consulting, and technology transfer of environmental protection technologies; Environmental dust removal equipment, welding smoke purification equipment, desulfurization, denitrification, and mercury removal equipment, pellet machines, crushing equipment, drying equipment, biomass combustion machines, conveying equipment, cooling equipment, safety fall prevention equipment, solar energy environmental protection equipment, gas environmental protection forging furnaces, garbage treatment equipment, sewage treatment equipment, pneumatic conveying equipment, Roots blowers and accessories, centrifugal fans and accessories, desulfurization and denitrification catalysts (excluding hazardous chemicals), track transport vehicles, track chassis, loaders, environmental instruments, traffic warning equipment, traffic safety protection equipment, solar warning lights, protective equipment, automation equipment, biomass fuels, screening machines, flanges, automotive parts, sludge treatment equipment, exhaust gas treatment equipment, environmental protection materials, water treatment agents (excluding hazardous chemicals) Design of industrial steel grit Manufacturing (excluding casting and forging), installation, and sales; Sales of steel; Garbage disposal services; Environmental engineering design and construction; Road freight transportation; The preparation of feasibility study reports for projects and other projects that are not prohibited or require business licenses according to laws, regulations, State Council decisions, and other provisions. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Flap Valve, Security Equipment, Cyclone Hybrid Spray Tower

Botou Zite Environmental Protection Equipment Co., Ltd

Botou Zite Environmental Protection Equipment Co., Ltd. is registered in Fanliuci Village, Siying Township, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration, and the legal representative is He Xinping. The business scope includes the production, sales, and installation of environmental protection equipment and accessories, fans, electrical control equipment, cloth bags, skeletons, connectors, stamping parts, regulating fans, plug valves, pulse valves, unloaders, screw conveyors, valves, and measuring tools. (Business activities that require approval by law can only be carried out after approval by relevant departments.). Core products: Flap Valve, Screw Conveyor, Dust Collector Bag

Changzhou Tianqin Electric Power Equipment Co., Ltd

Changzhou Tianqin Electric Power Equipment Co., Ltd., with its registered address at No. 608 Xin'an Village, Hengshanqiao Town, Changzhou Economic Development Zone, Jiangsu Province, is registered with the Changzhou Economic Development Zone Management Committee and represented by Meiqin as the legal representative. Its business scope includes general projects such as manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Valve and plug research and development; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of lighting fixtures; Sales of lighting fixtures; 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: Flap Valve, Hoist, Intelligent Electric Actuator

Zhejiang Liangbiao Self Control Valve Co., Ltd

Zhejiang Liangbiao Self Control Valve Co., Ltd., registered in He'er Village, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province (within Yongjia County Jinlun Valve Co., Ltd.), registered with Yongjia County Market Supervision and Administration Bureau, with Cao Aichun as the legal representative. Its business scope includes general projects: manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of hardware products; Retail of hardware products; Sales of mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Instrument and meter repair; General equipment repair; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of bearings, gears, and transmission components; Sales of bearings, gears, and transmission components; Motor manufacturing; Sales of firefighting equipment; Manufacturing of security equipment; Electronic product sales; Sales of lighting fixtures; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of daily necessities; Technology import and export; Import and export of goods (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: Flap Valve, Carbon Steel Hard Seal Flange, Pneumatic Dome Valve