2026 Top 10 Automatic Air Vent Manufacturers in China

Shanghai Haoguang Valve Manufacturing Co., Ltd

Shanghai Haoguang Valve Manufacturing Co., Ltd., with its registered address at Building 5, No. 936 Guoshun Road, Nanqiao Town, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District. The legal representative is Zeng Xiaoqing, and the business scope includes general projects: manufacturing of ordinary valves and plugs (excluding special equipment manufacturing) [branch operation]; General equipment manufacturing (excluding special equipment manufacturing) [branch operation]; Pump and vacuum equipment manufacturing [branch operation]; Sales of valves and plugs; Sales of firefighting equipment; Sales of mechanical equipment; Sales of instruments and meters; Sales of electronic components and electromechanical equipment; Sales of pumps and vacuum equipment; Retail of hardware products; Wholesale of hardware products; Sales of rubber products; Sales of plastic products; Sales of chemical products (excluding licensed chemical products); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of pipeline transportation equipment; Sales of building materials; Electronic product sales; Sales of metal fittings for construction; Sales of specialized equipment for environmental protection. (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: Automatic Air Vent, Filter, Solenoid Valve

Renqiu Ruihuaxing Water Heating Equipment Co., Ltd

Renqiu Ruihua Xing Water Heating Equipment Co., Ltd., with its registered address located on the east side of Zhanghekou Village, Beixinzhuang Township, Renqiu City, is registered with the Renqiu Market Supervision and Administration Bureau. The legal representative is Wang Xuhua, and its business scope includes the production and sales of water heating equipment and plastic products; Research and development of plumbing equipment. (Except for those prohibited or restricted by national laws and regulations and decisions of the State Council; projects that require approval by law can only be carried out after approval by relevant departments). Core products: Automatic Air Vent, Exhaust Valve, Bleed Valve

Carter (Hangzhou) Valve Manufacturing Co., Ltd

Carter (Hangzhou) Valve Manufacturing Co., Ltd., registered at Room 5157, Building 2, Airport Silicon Valley Industrial Park, No. 30 Yangcheng Road, Nanyang Street, Xiaoshan District, Hangzhou City, Zhejiang Province (self declared), registered with the Market Supervision Administration of Xiaoshan District, Hangzhou City, with Ni Hangdong as the legal representative. Its business scope includes general projects such as valve and plug research and development; Sales of valves and plugs; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of pneumatic power machinery and components; Mechanical equipment research and development; General equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Retail of hardware products; Sales of direct drinking water equipment; Sales of metal products; Operation of wires and cables; Sales of wind and electric tools; Import and export of goods; Technology import and export; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of industrial automatic control system devices (except for projects that require approval according to law, conducting business activities independently with a 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: Automatic Air Vent, Boiler Drain Valve, Swing Check Valve

Tianjin Liuhe Valve Manufacturing Co., Ltd

Tianjin Liuhe Valve Manufacturing Co., Ltd., with its registered address at 118 Pule Street, Xiditou Town, Beichen District, Tianjin, registered with the Market Supervision and Administration Bureau of Beichen District, Tianjin, and represented by Li Weihao as its legal representative. Its business scope includes general projects such as the manufacturing of ordinary valves and plugs (excluding the manufacturing of special equipment); Manufacturing of industrial automatic control system devices; Manufacturing of pneumatic power machinery and components; Manufacturing of electronic components and electromechanical equipment; Manufacturing of hydraulic power machinery and components; Manufacturing of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Sales of valves and plugs; Sales of industrial automatic control system devices; Sales of pneumatic power machinery and components; Sales of electronic components and electromechanical equipment; Sales of hydraulic power machinery and components; Retail of hardware products; Wholesale of hardware products; Sales of mechanical equipment; Sales of firefighting equipment; Electronic product sales; Sales of building materials; Sales of plastic products; Sales of sanitary ware; Sales of pumps and vacuum equipment; Sales of metal products; Sales of electrical equipment; Operation of wires and cables; Sales of rubber products; General equipment repair; Electrical equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Instrument and meter repair; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: Design of building intelligent system. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Automatic Air Vent, Wafer Butterfly Valve, Ear Type Butterfly Valve

Tianjin Liangfa Technology Co., Ltd

Tianjin Liangfa Technology Co., Ltd., registered at No. 2 Taikang Road, Xiditou Branch, Tianjin Land Port Logistics Equipment Industrial Park, Beichen District, Tianjin, registered with the Market Supervision Administration of Beichen District, Tianjin, with Hong Shixin as the legal representative. Its business scope includes general projects such as valve and plug research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of industrial automatic control system devices; Manufacturing of electronic components and electromechanical equipment; Manufacturing of hardware products; Specialized equipment repair; General equipment repair; Sales of valves and plugs; Sales of industrial automatic control system devices; Sales of electronic components and electromechanical equipment; Sales of firefighting equipment; Wholesale of hardware products; Retail of hardware products; Sales of instruments and meters; Electronic product sales; Sales of communication equipment; Sales of mechanical equipment; Sales of building materials; Sales of plastic products; Import and export of goods. (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: Automatic Air Vent, Filter, Flange Butterfly Valve

Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd

Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd., with its registered address located in Liutan Industrial Zone, Xinda Highway, Mengcun Hui Autonomous County. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Li Tingxiang. Its business scope includes the processing and sales of elbows, tees, reducers, flanges, and pipes; Manufacturing and sales of hydraulic mechanical equipment. (Projects that require approval by law can only be operated after approval by relevant departments.). Core products: Automatic Air Vent, Pipe Fitting, Flange

Yangzhong Xinxin Pipe Valve Manufacturing Co., Ltd

Yangzhong Xinxin Pipe Valve Manufacturing Co., Ltd., with its registered address at No. 17 Gongxin Bridge, Xinba Town, Yangzhong City, is registered with the Yangzhong Administrative Approval Bureau and represented by Wang Yonghua. Its business scope includes pipe valve processing and manufacturing; Wholesale and retail of fluoroplastic products and fiberglass products; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Automatic Air Vent, Pp Pipes And Fittings, Frpp Pipes And Fittings