2026 Top 10 Pass-Through Window Manufacturers in China

Renqiu Baimu Doors and Windows Curtain Wall Co., Ltd

Renqiu Baimu Doors, Windows and Curtain Walls Co., Ltd., registered at No. 21 Wenhe Lane, Shizhuang East Village, Yongfeng Road Street, Renqiu City, Cangzhou City, Hebei Province, with the registration authority of Renqiu Market Supervision and Administration Bureau and the legal representative of Bian Zhenzhen, is engaged in the production, sales, and installation of fire-resistant doors, fire-resistant windows, curtain walls, zinc steel louvers, bridge cut aluminum doors and windows, zinc steel guardrails, diamond mesh screen windows, invisible screen windows, stainless steel guardrails, KFC doors, garage doors, anti-theft doors, explosion doors, explosion relief windows, fire shutter doors, aluminum alloy doors and windows, louvers, electric smoke exhaust windows, fire rescue windows, plastic steel fire-resistant windows, explosion-proof doors, explosion-proof windows, stair handrails, building intercom systems. Door and window profiles, stainless steel doors, stainless steel windows, and smoke barriers; Sales: fireproof materials, fireproof glass, perlite board, cement foam board, door and window accessories, aluminum veneer. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law)***. Core products: Pass-Through Window, Fireproof Roller Shutter 1000, Fire Door 2000

Sichuan Chuanshu Purification Equipment Co., Ltd

Sichuan Chuanshu Purification Equipment Co., Ltd., registered at 669 Xinghua 10th Road, Xinjin Industrial Park, Sichuan Province, with the registration authority of Xinjin County Market Supervision and Administration Bureau and the legal representative of Deng Zhijun, is engaged in the sale of air purification equipment, air conditioning equipment, laboratory cabinets, laboratory furniture, and medical devices (licensed projects can only be operated after obtaining relevant permits); Mechanical and electrical installation engineering, building decoration engineering, electronic intelligence engineering, environmental protection engineering, waterproof, anti-corrosion and insulation engineering, steel structure engineering, water and electricity installation engineering, pipeline engineering design and construction; Indoor air pollution control; Installation and maintenance of refrigeration equipment. Projects that require approval by law can only be operated after approval by relevant departments.. Core products: Pass-Through Window, Return Air Outlet, Electric Lifting Transmission Window

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, 10000 Level Ultra Clean Room

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, Barium Sulfate Series, Lead Plate Series

Shandong Changjing Medical Equipment Engineering Co., Ltd

Shandong Changjing Medical Equipment Engineering Co., Ltd., with its registered address at Building 1, Jinrun Fortune Building, No. 33 Yinxing Avenue, Dianzizi Street, Juxian County, Rizhao City, Shandong Province, China, is registered with the Juxian Market Supervision Administration and represented by Zhang Zaiquan as the legal representative. Its business scope includes general projects such as the sale of Class I medical devices; Sales of Class II medical devices; Wholesale of protective equipment for medical staff; Retail of medical masks; Sales of specialized instruments and meters for environmental monitoring; Sales of hygiene products and disposable medical supplies; Disinfectant sales (excluding hazardous chemicals); Medical research and experimental development; Specialized equipment repair; Sales of instruments and meters; Installation services for ordinary mechanical equipment; Sales of mechanical equipment; Wholesale of computer software, hardware, and auxiliary equipment; Design and construction services for security technology prevention systems; Retail of protective equipment for medical staff; Electronic product sales; Mechanical equipment leasing. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: installation, renovation, and repair of special equipment; Construction project construction; Construction professional operations; Residential interior decoration and renovation. (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, Operating Room, Corridor Handrail

Shandong Lujing Purification Technology Co., Ltd

Shandong Lujing Purification Technology Co., Ltd., registered at Wude Village, Machanghu Town, High tech Industrial Development Zone, Linyi City, Shandong Province, is located on the north side of Jiefang Road in the west. The registration authority is the Market Supervision and Administration Bureau of Linyi High tech Industrial Development Zone, and the legal representative is Wang Lixiang. The business scope includes general projects: manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of new building materials (excluding hazardous chemicals); Sales of metal materials; Sales of new metal functional materials; Sales of building materials; Manufacturing of metal packaging containers and materials; Sales of metal packaging containers and materials (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

Shenzhen Yinglefei Technology Co., Ltd

Shenzhen Yinglefei Technology Co., Ltd., with its registered address at Room 301, Building 2, No. 10 Shuitian Road, Tongle Community, Baolong Street, Longgang District, Shenzhen, is registered with the Shenzhen Market Supervision Administration. The legal representative is Su Zhijun, and the business scope includes general business projects: engaging in import and export services of goods and technology; Sterilization services, equipment calibration services, spraying, and third-party testing services. Non residential real estate leasing (projects that must be approved by law must be approved by relevant departments before conducting business activities); Mechanical equipment leasing; Installation services for ordinary mechanical equipment. Except for projects that require approval according to law, business activities can be carried out independently based on the business license. Licensed business projects include the production of hydrogen peroxide corrosion-resistant materials, disinfectants, acid and alkali resistant materials, clean room environmentally friendly paints, bio environmentally friendly adhesives, building decoration materials, and supporting spraying equipment and instruments. Research and development, production, and sales of laboratory equipment, pharmaceutical machinery and components, sterile isolation systems, disinfection instruments (gaseous hydrogen peroxide), complete sets of space sterilization equipment, hydrogen peroxide transfer windows, mobile hydrogen peroxide sterilizers, hydrogen peroxide concentration probe calibrators, portable sterilizers, hydrogen peroxide corrosion-resistant materials, disinfectants, acid and alkali resistant materials, clean room environmentally friendly paints, bio environmentally friendly adhesives, building decoration materials, supporting spraying equipment and instruments; Production, inspection, purification and analysis instruments for food and drug equipment, technical development of laboratory testing supplies, technical consulting, technical services, transfer of achievements, and purchasing and sales services. (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, Vhp Probe Calibration Service, Vaporized Hydrogen Peroxide Generator