2026 Top 10 Sealed Door Manufacturers in China

Jiangsu Nanbo Machinery Manufacturing Co., Ltd

Jiangsu Nanbo Machinery Manufacturing Co., Ltd., with its registered address in Shuguang Industrial Park, Baimi Town, Jiangyan District, Taizhou City, is registered with the Jiangyan District Administrative Approval Bureau of Taizhou City. The legal representative is Wu Bin, and its business scope includes the manufacturing, processing, and sales of environmental protection equipment, compensators, coolers, corrugated pipes, expansion joints, expansion joints, pipes, fittings, valves, pipeline accessories, air doors, spring supports and hangers, and general mechanical parts (excluding those that are eliminated or restricted by national industrial policies; excluding industries with backward production capacity); Sales of rubber and plastic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealed Door, Compensator, Expansion Joint

Jining Wanda Machinery Equipment Co., Ltd

Jining Wanda Machinery Equipment Co., Ltd., registered at Room 201, 2nd Floor, No. 0101, No. 37, Junhe Yungu Jining Innovation Valley Science and Technology Park, Liuxing Street, High tech Zone, Jining City, Shandong Province, China. The registration authority is the Market Supervision Administration of Jining High tech Industrial Development Zone, and the legal representative is Hua Qiuli. The business scope includes the sales of industrial and mining machinery equipment and accessories, explosion-proof electrical appliances, lifting machinery equipment, track equipment and accessories, garden machinery and accessories, construction machinery and accessories; Import and export business of goods (excluding those restricted or prohibited by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealed Door, Reciprocating Coal Feeder, Pipeline Explosion Suppression Device

Zhongtuo Intelligent Equipment (Shandong) Co., Ltd

Zhongtuo Intelligent Equipment (Shandong) Co., Ltd., with its registered address at Room 1601, Block A, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Zhang Yujing, and the business scope includes general projects such as industrial control computer and system manufacturing; Sales of construction machinery; Sales of railway transportation infrastructure equipment; Sales of railway transportation equipment; Sales of mechanical and electrical equipment; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Sales of mining machinery; Sales of instruments and meters; Sales of agricultural machinery; Sales of firefighting equipment; Wholesale of hardware products; Electronic product sales; Sales of mechanical equipment; Import and export of goods; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Automobile sales; Sales of new energy vehicles. (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: Sealed Door, Other Machinery, Double Cylinder Hydraulic Shear

Shandong Pumei Intelligent Equipment Co., Ltd

Shandong Pumei Intelligent Equipment Co., Ltd., with its registered address located 1000 meters west of the town government in Shilipu Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Li Qingrong, and the business scope includes general projects such as sales of intelligent robots; Sales of intelligent instruments and meters; Mechanical parts and component processing; Mining machinery manufacturing; Sales of mining machinery; Installation services for ordinary mechanical equipment; Installation and maintenance of industrial robots; Sales of railway transportation infrastructure equipment; Sales of railway transportation equipment; Sales of mechanical parts and components; Sales of hydraulic power machinery and components; Sales of construction machinery; Sales of agricultural machinery; Sales of specialized equipment for environmental protection; Sales of firefighting equipment; Sales of instruments and meters; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Software sales; Software development; Sales of lubricating oil; Import and export of goods; Technology import and export; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components. (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: Sealed Door, Supporting Equipment, Mining Equipment

Shandong Tianyou Laser Protection Quantum Technology Co., Ltd

Room 206, 2nd Floor, Office Building, Tianyou Tunnel Company, No. 259 Huanghe Road, Dongcheng Street, Liaocheng Economic and Technological Development Zone, Shandong Province

Shandong Tianyou Laser Protection Quantum Technology Co., Ltd. is located at Room 206, 2nd Floor, Tianyou Tunnel Company Office Building, No. 259 Huanghe Road, Dongcheng Street, Liaocheng Economic and Technological Development Zone, Shandong Province. It was established on February 28, 2025, with the registration authority of Liaocheng Economic and Technological Development Zone Market Supervision Administration and the legal representative being Yan Li. Core products: Sealed Door, Lead Cans, Lead Glass

Jining Jiashuo Industrial and Mining Equipment Co., Ltd

Jining Jiashuo Industrial and Mining Equipment Co., Ltd., with its registered address at Building 1, No. 106-1 Shanbo Road, Jiezhuang Street, High tech Zone, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Wang Yan, and its business scope includes general projects such as mining machinery manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of construction machinery; Manufacturing of specialized machinery for tunnel construction; Manufacturing of specialized equipment for environmental protection; Paint manufacturing (excluding hazardous chemicals); Sales of mining machinery; Sales of construction machinery; Sales of mechanical parts and components; Sales of rail transit engineering machinery and components; Sales of coatings (excluding hazardous chemicals); Import and export of goods; Specialized equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental services); Leasing of construction machinery and equipment. (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: Sealed Door, Hydraulic Wire Taking Machine, Flatbed Cart

Shandong Century Taida Mining Equipment Co., Ltd

Shandong Century Taida Mining Equipment Co., Ltd., with its registered address located in Yandian Town Industrial Park, Yanzhou District, Jining City (east of Jiyang Road), is registered with the Market Supervision and Administration Bureau of Yanzhou District, Jining City. The legal representative is Chen Shengchang, and its business scope includes the production, processing, and research and development of mining fireproof doors, waterproof doors, explosion-proof doors, refuge chamber doors, and shock wave resistant doors; Production, installation, and commissioning of auxiliary operating equipment for mining and power plant belt conveyors, buffer beds, buffer bars, cleaners, chutes, and guide chutes; Production of track equipment, sleepers, rail sleeper accessories, track accessories, and derailleurs; Production and sales of mining support equipment and building materials (excluding wood), mining equipment, power plant equipment, engineering equipment, environmental protection equipment, and mining electrical equipment; Undertake various drawing design and processing, as well as material processing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealed Door, Metal Roof Beam,