2026 Top 10 Pass-Through Window Manufacturers in China

Suzhou Industrial Park Sanxing Purification Technology Co., Ltd

Suzhou Industrial Park Sanxing Purification Technology Co., Ltd., with its registered address at Room 2092, Building 1, No. 378 Donghuan Road, Suzhou Industrial Park, registered with the Suzhou Industrial Park Administrative Approval Bureau, and represented by Luo Fangyin as its legal representative. Its business scope includes the production and sale of air conditioning filters, measuring instruments, and purification clothing; Research and development, sales: purification products, purification engineering materials, air conditioning products, cleanroom consumables; Design, production, installation, and commissioning of air purification systems, air conditioning systems, and water and electricity systems; Provide air quality testing and related technical services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) Licensed project: construction engineering design; Construction project construction; Installation of protective equipment for civil air defense engineering (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General project: Manufacturing of specialized environmental monitoring instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of specialized equipment for environmental protection; Sales of electronic specialized equipment; Electronic product sales; Software development; Information technology consulting services (except for projects that require approval by law, conducting business activities independently with a business license in accordance with the law). Core products: Pass-Through Window, Air Volume Meter, Dust Particle Counter

Hanmei Rui Laboratory System Equipment (Suzhou) Co., Ltd

Hanmeirui Laboratory System Equipment (Suzhou) Co., Ltd., with its registered address at Room 1-76, No. 101, Fuli Village, Guangfu Town, Wuzhong District, Suzhou City, is registered with the Administrative Approval Bureau of Wuzhong District, Suzhou City. The legal representative is Yao Ranran, and its business scope includes research and development, assembly, and sales of complete laboratory equipment, ventilation equipment, exhaust gas treatment equipment, and gas pipelines; Sales: pipeline fittings, valves, mechanical equipment, and spare parts; Construction of laboratory engineering, architectural decoration engineering, air purification engineering, and mechanical and electrical equipment installation engineering; Import and export business of various commodities and technologies through self operation and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General project: Furniture manufacturing; Furniture spare parts production; Furniture sales; Furniture spare parts sales (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: Pass-Through Window, Ventilation Duct, Drip Rack

Shenzhen Meiri Purification Technology Co., Ltd

Shenzhen Meiri Purification Technology Co., Ltd., with its registered address at 201, Building C, No. 79, Industrial Zone Road, Langbei Village, Tongde Community, Baolong Street, Longgang District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Liu Lei. Its business scope includes general business projects such as air purification engineering, mechanical and electrical engineering, and the design and on-site installation and maintenance of mechanical and electrical equipment; Domestic trade, import and export of goods and technology. (Except for projects prohibited by laws and administrative regulations; projects restricted by laws and administrative regulations must obtain a license before operation) Licensed business projects: FFU fan filtration units, air purifiers, air filters, air showers, cargo showers, purification equipment, purification accessories, laminar flow series products, operating room supporting equipment, technical research and development, production, sales, and on-site installation and maintenance of household appliances.. Core products: Pass-Through Window, Ffu, Filter Series

Tianjin Meitongge Environmental Engineering Co., Ltd

Tianjin Meitaoge Environmental Engineering Co., Ltd., registered at A-94, 5th floor, Huaxin Business Center, Huayi Road, Huaxin Street, Dongli District, Tianjin, registered with the Market Supervision and Administration Bureau of Dongli District, Tianjin, with Peng Shulai as the legal representative. Its business scope includes licensed projects and various types of engineering construction activities; Construction labor subcontracting; General contracting of housing construction and municipal infrastructure projects; Construction engineering survey; Construction project design; Intelligent construction of buildings. (For projects that require approval according to 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.). General project: Engineering management services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Sales of electronic specialized equipment; Sales of electrical and mechanical equipment; Sales of experimental analytical instruments; Sales of specialized chemical products (excluding hazardous chemicals); Professional design services; Retail of hardware products; Sales of instruments and meters; Electronic product sales; Sales of artificial intelligence hardware; Sales of building materials; Sales of building decoration materials; Sales of chemical products (excluding licensed chemical products); Sales of office equipment and consumables; Sales of Class I medical devices; Sales of refrigeration and air conditioning equipment; Sales of mechanical equipment; Furniture sales. (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: Pass-Through Window, Clean Room, Environmental Purification Engineering

Guangzhou Baifeng Environmental Protection Technology Co., Ltd

Guangzhou Baifeng Environmental Protection Technology Co., Ltd., registered at Room A501, No. 21 Mupi West Street, Xintang Street, Tianhe District, Guangzhou, registered with the Market Supervision Administration of Tianhe District, Guangzhou, with the legal representative being Zhong Funing. Its business scope includes maintenance of electronic and mechanical equipment (excluding special equipment); Sales of livestock machinery; Sales of electrical and mechanical equipment; Mechanical parts and component processing; Engineering and technical services (excluding planning management, survey, design, and supervision); Graphic Artist Designer; Professional design services; Industrial design services; Graphic and textual design and production; Conference and exhibition services; Domestic trade agency; Internet sales (except for the sale of goods that need to be licensed); Environmental consulting services; Mechanical equipment leasing; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Professional cleaning, washing, and disinfection services; Disinfectant sales (excluding hazardous chemicals); Technology intermediary services; Mechanical equipment research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of disinfection equipment; Production of disinfection equipment; Disinfectant production (excluding hazardous chemicals); Technology import and export; Import and export of goods;. Core products: Pass-Through Window, Multi Functional Ozone Generator, Ozone/Uv Disinfection Cabinet

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: Pass-Through Window, Nuclear Medicine Product Series, Lead Products Series

Shandong Changxin Radiation Protection Engineering Co., Ltd

Shandong Changxin Radiation Protection Engineering Co., Ltd., with its registered address located at Workshop 2, East of Luanhe Road and Meihe River, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province, adjacent to Huaxi Manufacturing and Management Institute, is registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone. The legal representative is Miao Zhengxiang. Its business scope includes the production, sales, and installation of radiation protection equipment, lead doors, lead glass, lead plates, lead clothing, radiation resistant barium sulfate, radiation resistant lead screens, lead products, airtight doors, radiation resistant barium plates, steel plates, stainless steel plates, stainless steel doors, and steel doors; Construction of radiation protection engineering, electromagnetic shielding engineering, medical purification engineering, air purification engineering, computer room air conditioning system engineering, radioactive wastewater treatment engineering, and decoration engineering; Sales of radiation protection equipment and materials, air purification equipment, measuring instruments, and building materials; Design and construction of industrial inspection rooms and building decoration projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pass-Through Window, Airtight Door, Lead Glass