2026 Top 10 Airtight Door Manufacturers in China

Nanjing Jingtao Ship Accessories Co., Ltd

Nanjing Jingtao Ship Accessories Co., Ltd., with its registered address in Jingxiang Village, Jingqiao Town, Lishui District, Nanjing City, is registered with the Lishui District Government Service Management Office of Nanjing City. The legal representative is Jing Xiaoshuang, and its business scope includes the production and sales of ship accessories, ship electrical appliances, and mechanical equipment; Sales of hardware and steel. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Airtight Door, Manhole Cover, Oil Tank Cover

Tianjin Zhongnuo Construction Technology Co., Ltd

Tianjin Zhongnuo Construction Technology Co., Ltd., registered at booth 13 of Yidatai Material Recycling Market, No. 597 Jintang Road, Hujiayuan Street, Binhai New Area, Tianjin. The registration authority is the Market Supervision and Administration Bureau of Binhai New Area, Tianjin, and the legal representative is Zhang Ping. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export agency; Import and export of goods; Sales of building materials; Research and development of metal products; Repair of metal products; Sales of metal products; Retail of hardware products; Sales of metal structures; Rainshed sales; Labor services (excluding labor dispatch); Manufacturing of metal structures; Construction of metal doors and windows engineering; Sales of doors and windows; Sales of plastic products; Sales of building decoration materials; Sales of insulation materials; Container sales; Container leasing services; Sales of insulation and soundproofing materials; Sales of lightweight building materials; Mechanical equipment leasing; Engineering management services; Sales of refrigeration and air conditioning equipment; General equipment repair; General equipment manufacturing (excluding special equipment manufacturing); Sales of specialized chemical products (excluding hazardous chemicals); Rolling and processing of non-ferrous metals; Manufacturing and processing of doors and windows; Manufacturing of plastic products; Steel rolling processing; Professional design services. (Except for projects that require approval according to law, conduct business activities independently based on the business license) Licensed project: electrical installation services; Inspection and testing services; Construction labor subcontracting; Construction project design; Construction project construction; State owned trade manages the import and export of goods. (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: Airtight Door, Rock Wool Purification Board, Color Steel Corrugated Veneer

Anhui Weihao Environmental Purification Board Co., Ltd

Anhui Weihao Environmental Purification Board Industry Co., Ltd., registered address located at the southwest corner of Chaohu South Road and Chuangye Avenue intersection in Yangmiao Industrial Agglomeration Zone, Changfeng County, Hefei City, Anhui Province, registered with Changfeng County Market Supervision and Administration Bureau, with Zhang Aiping as the legal representative. Its business scope includes engineering color steel sandwich panels, handmade panels, purification equipment, purification products, purification materials, engineering paper honeycomb, aluminum honeycomb, polyurethane, aluminum materials, glass magnesium panels, rock wool panels, silicon rock panels, cold storage panels FFU、 Production and sales of air conditioning, HVAC, polystyrene (excluding the above hazardous chemicals); Purification engineering, construction materials, and equipment installation; Labor services (excluding labor dispatch); Import and export of goods or technology (excluding goods or technology prohibited by the state or involving administrative approval) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Airtight Door, Cold Storage Panel, Purification Auxiliary Materials

Shandong Jialan Radiation Protection Materials Co., Ltd

Shandong Jialan Radiation Protection Materials Co., Ltd., registered at No. 2-7, Zone A, Dadong Steel Pipe City, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province, registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, with Hou Yuexia as the legal representative. Its business scope includes general projects such as sales of new organic active materials; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Sales of metal materials; Sales of metal products; Sales of doors and windows; Sales of non-metallic minerals and products; Retail of hardware products; Sales of special labor protection equipment; Sales of labor protection equipment; Sales of functional glass and new optical materials. (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: Airtight Door, Nuclear Medicine Fume Hood, Lead Bricks

Shandong Xincheng Radiation Protection Engineering Co., Ltd

Shandong Xincheng Radiation Protection Engineering Co., Ltd., registered at No. 5-2, South Road (opposite Zhengxin Petroleum), 300 meters east of the intersection of Liaoniu Road and 046 County Road, Hanji Township, Dongchangfu District, Liaocheng City, Shandong Province, registered with the Market Supervision Administration of Dongchangfu District, Liaocheng City, with Wang Kun as the legal representative. Its business scope includes licensed projects: manufacturing of civil defense engineering protective equipment; Construction project construction; Production of Class II and III radiation equipment; Sales of Class II and III radiation equipment; Sales of Class I radiation equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: sales of metal materials; Sales of non-metallic minerals and products; Sales of non-ferrous metal alloys; Wholesale of protective equipment for medical staff; Retail of protective equipment for medical staff; Sales of metal products; Construction of metal doors and windows engineering; Sales of construction machinery; Sales of high-performance fibers and composite materials; Sales of functional glass and new optical materials; Sales of high-performance non-ferrous metals and alloy materials; Rolling and processing of non-ferrous metals; Sales of specialized equipment for environmental protection; Manufacturing of metal signs for transportation and public management; Sales of signs for transportation and public management; Manufacturing of metal materials; Manufacturing of non-metallic mineral products; Manufacturing of non-ferrous metal alloys; Manufacturing of high-performance fibers and composite materials. (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: Airtight Door, Radiation Resistant Lead Door, Lead Clothing

Shandong Ranyang Protective Equipment Co., Ltd

Shandong Ranyang Protective Equipment Co., Ltd. is registered at Room 812, Building 2, Xingguang Financial Center, Dongchang East Road, Dongcheng Street Office, Liaocheng Economic and Technological Development Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, and the legal representative is Fu Guangzhi. The business scope includes general projects: sales of power facilities and equipment; Sales of new organic active materials; Sales of metal products; Sales of metal materials; Sales of non-ferrous metal alloys; Sales of non-metallic minerals and products; Sales of doors and windows; Sales of functional glass and new optical materials; Construction of metal doors and windows engineering; Sales of coatings (excluding hazardous chemicals); Sales of building materials; Wholesale of hardware products; Sales of special labor protection equipment; Production of labor protection equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: sales of civil air defense engineering protective equipment; Installation of protective equipment for civil air defense engineering. (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: Airtight Door, Airtight Door, Clean Door, Radiation Resistant Lead Glass

Shandong Hongxinyu Medical Technology Co., Ltd

Shandong Hongxinyu Medical Technology Co., Ltd., registered at Workshop 1, Shandong Siruida Drive Technology Co., Ltd., located on Liaohe Road, Dongcheng Street, Liaocheng Economic and Technological Development Zone, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, and the legal representative is Zhao Ya. The business scope includes general projects such as medical research and experimental development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of hygiene products and disposable medical supplies; Entrepreneurial space services; Information technology consulting services; Software outsourcing services; Software development; Internet data service; Data processing and storage support services; Internet of Things application services; Research and development of intelligent robots; Rolling and processing of non-ferrous metals; Manufacturing of metal materials; Steel rolling processing; Manufacturing and processing of doors and windows; Manufacturing of environmental emergency detection instruments and meters; Manufacturing of gas and liquid separation and purification equipment; Manufacturing of electronic specialized equipment; Import and export of goods; Engineering management services; External contracting projects; Sales of refrigeration and air conditioning equipment; Sales of Class II medical devices; Second type of medical equipment leasing; Production of Class I medical devices; The first type of medical equipment leasing; Sales of Class I medical devices; Rental services (excluding licensed rental services); Manufacturing of metal chains and other metal products; Manufacturing of metal packaging containers and materials; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing). (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: construction project construction; Construction project design; Wastewater treatment and its recycling; Construction labor subcontracting; Production of Class II medical devices. (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: Airtight Door, Nuclear Medicine Product Series, Lead Plate Series