2026 Top 10 Pneumatic Circular Air Door Manufacturers in China

Taizhou Yonghang Environmental Protection Technology Co., Ltd

Taizhou Yonghang Environmental Protection Technology Co., Ltd., with its registered address at No. 168 Runlou Road, Louzhuang Town, Jiangyan District, Taizhou City, is registered with the Jiangyan District Administrative Approval Bureau of Taizhou City. The legal representative is Shi Chunxin, and its business scope includes general projects such as technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of construction machinery; Sales of specialized equipment for oil drilling and production; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of metal structures; Sales of metal structures; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; General equipment manufacturing (excluding special equipment manufacturing); Sales of metal products; Manufacturing of plastic products; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of general components; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sales of mechanical equipment; Manufacturing of hardware products; Wholesale of hardware products (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: Pneumatic Circular Air Door, Metal Hose And Bellows Series, Barrier Door, Plug-In Door, Three-Way Valve

Shandong Shenhua Machinery Manufacturing Co., Ltd

Shandong Shenhua Machinery Manufacturing Co., Ltd., with its registered address at No. 11 Kaiyuan Road, Jining High tech Zone, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Han Yong, and its business scope includes general projects: manufacturing of construction machinery; Sales of construction machinery; Manufacturing of specialized equipment for geological exploration; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of specialized equipment for geological exploration; Sales of rail transit engineering machinery and components; Mechanical equipment research and development; Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Sales of special equipment; Sales of metal materials; Sales of steel reinforcement products for construction; Sales of new energy vehicles as a whole; Sales of generators and generator sets; General equipment manufacturing (excluding special equipment manufacturing); Motor manufacturing; Sales of building materials; Manufacturing of material handling equipment; Sales of material handling equipment; Import and export of goods; Technology import and export. (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: Pneumatic Circular Air Door, Mechanical Hardware, Instrumentation And Meters

Taizhou Mingye Pipeline Co., Ltd

Taizhou Mingye Pipeline Co., Ltd., with its registered address at No. 18 Jianghong Road, Louzhuang Town, Jiangyan District, Taizhou City, is registered with the Jiangyan District Administrative Approval Bureau of Taizhou City. The legal representative is Wan Dongming, and its business scope includes general projects such as sales of pipeline transportation equipment; Manufacturing of general components; Mechanical parts and component processing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of special equipment; Rubber product manufacturing; Manufacturing of metal structures; Manufacturing of hydraulic power machinery and components; Sales of mechanical equipment; Sales of metal materials; Sales 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). Core products: Pneumatic Circular Air Door, Three-Way Valve, Fan Shaped Valve

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: Pneumatic Circular Air Door, Screw Conveyor, Bag Filter

Hebei Qingrun Environmental Protection Equipment Co., Ltd

Hebei Qingrun Environmental Protection Equipment Co., Ltd., registered in Dadong Village, Siying Township, Botou City, Cangzhou City, Hebei Province, with the Market Supervision Administration of Botou City as the registration authority and Jia Dong as the legal representative, is engaged in the design, research and development, production, sales, installation, and maintenance of environmental protection equipment, conveying equipment, desulfurization and denitrification equipment, catalysts, electrical (control) equipment, steel structural components, and dust removal accessories; Installation and construction of biogas engineering, waste gas and wastewater treatment engineering (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Pneumatic Circular Air Door, Bar Valve, Three Way Distributor

Taizhou Huaye Pipeline Equipment Manufacturing Co., Ltd

Taizhou Huaye Pipeline Equipment Manufacturing Co., Ltd. is registered at No. 66-2, Group 7, Kongzhuang Village, Baimi Town, Jiangyan District, Taizhou City, Jiangsu Province. The registration authority is the Jiangyan District Data Bureau of Taizhou City, and the legal representative is Chen Ye. The company's business scope includes corrugated pipes, compensators, dampers, expansion joints, spring supports and hangers, coolers, metal hoses, pipeline accessories, valves (except for thermal power drain valves, universal 10 megapascals and below medium and low pressure carbon steel valves), and the manufacturing, processing, and sales of general mechanical components. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of specialized equipment for environmental protection; Manufacturing of intelligent instruments and meters; Manufacturing of industrial automatic control system devices; Manufacturing of instruments and meters; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of hydraulic power machinery and components; Manufacturing of other general instruments; Oil and gas technology services; Mechanical parts and component processing; Metal surface treatment and heat treatment processing; Manufacturing of general components; Non residential real estate leasing; Installation services for ordinary mechanical equipment; 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, conducting business activities independently based on the business license in accordance with the law). Core products: Pneumatic Circular Air Door, Marine Air Valve, Double Eccentric Air Valve

Middling coal Industry and Mining Materials Group Co., Ltd

Middling coal Industry and Mining Materials Group Co., Ltd., with its registered address at No. 11, North Kaiyuan Road, High tech Zone, Jining City, is registered by the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Qu Qing. Its business scope includes general projects: special equipment manufacturing (excluding licensed professional equipment manufacturing); Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of mechanical and electrical equipment; Sales of electrical and mechanical equipment; Research and development of intelligent robots; Sales of intelligent robots; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic vacuum devices; Sales of electronic vacuum devices; Manufacturing of electronic components; Retail of electronic components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Sales of railway transportation infrastructure equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Sales of lubricating oil; Sales of household appliances; Sales of metal products; Manufacturing of non-metallic mineral products; Sales of mobile communication devices; Sales of IoT devices; Wholesale of hardware products; Retail of hardware products; Sales of labor protection equipment; Sales of building materials; Sales of metal materials; Sales of agricultural and sideline products; Research and development of emerging energy technologies; Specialized equipment repair; Mechanical equipment leasing; Software development; Software sales; Information system integration services; Intelligent control system integration; Domestic cargo transportation agency (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license): Internet information service; Import and export of goods; Technology import and export; Manufacturing of railway transportation infrastructure equipment; Road freight transportation (excluding dangerous goods) (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). Core products: Pneumatic Circular Air Door, Mining Door, Drilling Equipage