2026 Top 10 Manual Plug-In Door Manufacturers in China

Shandong Zhongtan Intelligent Equipment Co., Ltd

Shandong Zhongtan Intelligent Equipment Co., Ltd., with its registered address at Room 810, Xieying Science and Technology Building, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xi Laiwei, and the business scope includes general projects: manufacturing of intelligent basic manufacturing equipment; Mining machinery manufacturing; Sales of mining machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; Engineering and technical research and experimental development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales; Manufacturing of intelligent instruments and meters; Sales of intelligent basic manufacturing equipment; Sales of railway transportation infrastructure equipment; Import and export of goods; Technology import and export; Sales of photovoltaic equipment and components; Wood sales; Wood processing. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of railway transportation infrastructure equipment. (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: Manual Plug-In Door, Lifting Equipment, Instrumentation And Meters

Xinhe County Huanghe Water Conservancy Machinery Co., Ltd

North of Xinhua Road and East of Xin'an Street, Xinhe County, Xingtai City, Hebei Province

Xinhe County Huanghe Water Conservancy Machinery Co., Ltd. is located on the north side of Xinhua Road and the east side of Xin'an Street in Xinhe County, Xingtai City, Hebei Province. It was established on September 2, 2014, with the registration authority of Xinhe County Market Supervision Administration and the legal representative of Xinfeng. Core products: Manual Plug-In Door, Rotary Cleaning Machine

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: Manual Plug-In Door, Metal Compensator, Baffle Valve

Zhejiang Zhigong Valve Technology Co., Ltd

Zhejiang Zhigong Valve Technology Co., Ltd., registered at Heyi Village, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province (2nd floor, Building 2, Yongjia Haoda Valve Co., Ltd.), registered with Yongjia County Market Supervision and Administration Bureau, with legal representative Yu Yunyun. Its business scope includes research and development, production, processing, and sales of valves and their accessories, pumps and their accessories; Manufacturing and research and development of mechanical equipment; Sales of pipeline fittings, electric actuators, and pneumatic actuators; Hardware and electromechanical processing; Production, maintenance, and sales of stainless steel products; Design of industrial fluid equipment and water supply and drainage equipment; Research and development of industrial automation control system devices, instruments (excluding measuring instruments), water pumps, high and low voltage electrical appliances and accessories, automation equipment, electromechanical equipment, and environmental protection equipment; Import and export of goods and technology.. Core products: Manual Plug-In Door, , Pneumatic Penetrating Plug Valve

Cangzhou Lier Environmental Protection Machinery Equipment Co., Ltd

Cangzhou Lier Environmental Protection Machinery Equipment Co., Ltd., with its registered address at Dikouwang, Bozhen, Botou City, Cangzhou City, Hebei Province, is registered with the Botou Market Supervision Administration Bureau and represented by Zhou Yumei. Its business scope includes the manufacturing of specialized environmental protection equipment. Manufacturing of specialized equipment for environmental protection. Design, production, sales, and installation of environmental protection equipment and accessories, mining conveying equipment, waste gas treatment equipment, valves, and pneumatic components (for projects that require approval by law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently in accordance with the law). Core products: Manual Plug-In Door, Flap Valve Series, Bucket Elevator Series

Botou Youcheng Industrial and Mining Machinery Co., Ltd

Botou Youcheng Industrial and Mining Machinery Co., Ltd., registered in Wulongtang Village, Waliwang Town, Botou City, with the registration authority of Botou Market Supervision Administration and the legal representative of Hou Guoliang. Its business scope includes the production and sales of mining machinery equipment, dust removal equipment and accessories (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Manual Plug-In Door, Single Axis Dust Humidifier, Pipe Spiral Conveyor

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: Manual Plug-In Door, Spring Support Hanger Pipe Bracket Series, (Non Metallic) Compensator, Expansion Joint