Updated Sep 11, 2026 · Public platform & industry data

Sep 11, 2026 Updated

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2026 Top 10 Sealed Door Manufacturers in China

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Top-rated Sealed Door suppliers, How to choose a Sealed Door manufacturer, Best Sealed Door companies in China

The top 10 Sealed Door manufacturers in China for 2026 are: Shandong Zhongtan Intelligent Equipment Co., Ltd, Sowaton (Guangzhou) Intelligent Doors and Windows Industrial Co., Ltd, Shanghai Fenggu Pharmaceutical Equipment Co., Ltd, Shanghai Tangchen Construction Engineering Co., Ltd, Renqiu Aoruisi Door Industry Co., Ltd, Shandong Qite Radiation Protection Equipment Co., Ltd, Shandong Leading Metal Materials Co., Ltd, Guangzhou Leipu Gate Control Equipment Co., Ltd, Xuzhou Zhengbang Mining Equipment Manufacturing Co., Ltd, Beiyuan Water Conservancy Machinery Factory in Xinhe County (sole proprietorship). Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Shandong Zhongtan Intelligent Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2022-03-01
Registered Capital10000K CNY

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: Sealed Door, Steel Products, Rescue Category

Top 2
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Sowaton (Guangzhou) Intelligent Doors and Windows Industrial Co., Ltd

201, No. 7 Industrial Road, Zhongcun Fourth Village, Zhongcun Street, Panyu District, Guangzhou City

Overall Score4.8 / 5
Est. Date2017-10-27
Registered Capital3000K CNY

Sowaton (Guangzhou) Intelligent Doors and Windows Industrial Co., Ltd. is located at 201, No. 7, Gongye 1st Road, Zhongcun Sicun, Zhongcun Street, Panyu District, Guangzhou. It was established on October 27, 2017, and registered with the Panyu District Market Supervision Administration of Guangzhou. The legal representative is Xie Huocheng. Core products: Sealed Door, Industrial Rapid Rolling Shutter Door, Anti-Collision Door

Top 3
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Shanghai Fenggu Pharmaceutical Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2016-05-10
Registered Capital8000K CNY

Shanghai Fenggu Pharmaceutical Equipment Co., Ltd., registered at Building 3-102, No. 6898 Linhai Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, with Zhou Kang as the legal representative. Its business scope includes general projects: manufacturing of pharmaceutical specialized equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Metal surface treatment and heat treatment processing; Sales of pharmaceutical specialized equipment; Sales of valves and plugs; Sales of mechanical equipment; Sales of metal products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Valve and plug research and development; Wholesale of protective equipment for medical staff; Wholesale of hardware products; Retail of hardware products; Sales of metal chains and other metal products; Sales of metal materials; Sales of electronic specialized equipment; Sales of mechanical and electrical equipment; Sales of electronic components and electromechanical equipment; Sales of fans and blowers; Electronic product sales; Sales of daily necessities; Industrial design services; Software development; Installation services for ordinary mechanical equipment; General equipment repair; Electrical equipment repair; Import and export of goods; Technology import and export. (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, Biosafety Protection Transmission Window, Monkey Isolator

TOP4
Shanghai Tangchen Construction Engineering Co., Ltd

1-2F, No. 6395 Hutai Road, Baoshan District, Shanghai

Overall Score4.7 / 5
Est. Date2022-08-02
Registered Capital11680K CNY

Shanghai Tangchen Construction Engineering Co., Ltd. is located on the 1st and 2nd floors of 6395 Hutai Road, Baoshan District, Shanghai. It was established on August 2, 2022, with the registration authority of Baoshan District Market Supervision Administration and the legal representative being Wang Jian. Core products: Sealed Door, Mmb , Smoke Barrier

TOP5
Renqiu Aoruisi Door Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2017-09-05
Registered Capital5000K CNY

Renqiu Aoruisi Door Industry Co., Ltd., with its registered address in Beixinzhongyi Village, Xinzhongyi Town, Renqiu City, Cangzhou City, Hebei Province, is registered with the Renqiu Market Supervision and Administration Bureau. The legal representative is Bai Peng, and the business scope includes the production, sales, and installation of fire doors, garage doors, European doors, fire windows, building doors, fast rolling shutter doors, anti-theft doors, industrial doors, insulated rolling shutter doors, insulated doors, car barriers, smoke barriers, retractable doors, automatic doors, steel doors, cold storage doors, electric rolling shutter doors, steel fireproof rolling shutter doors, inorganic fabric fireproof rolling shutter doors, KFC doors, aluminum-plastic doors and windows, stainless steel doors and windows, aluminum alloy doors and windows, wind resistant rolling shutter doors, swing doors, and stacking doors. Doors, crystal doors, hangar doors, wrought iron fences, blinds, door and window accessories, motor accessories, gears, sprockets, shafts, boxes, chains Machinery parts; Development, installation, and debugging services for roller shutter technology; Selling hardware and electromechanical products; Import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)***. Core products: Sealed Door, , Inorganic Fabric Fireproof Rolling Shutter Door

TOP6
Shandong Qite Radiation Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2017-10-19
Registered Capital10000K CNY

Shandong Qite Radiation Protection Equipment Co., Ltd., registered at Room 0021, Workshop 3, Large Metal Laser Cutting Machine Equipment Base Production Project, Ganjiang Street, Jiuzhou Street, High tech Zone, Liaocheng City, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Liaocheng High tech Industrial Development Zone, and the legal representative is Wang Yuting. The business scope includes the production, sales, and installation of radiation protection equipment, lead doors, lead glass, lead plates, lead clothing, radiation resistant lead screens, lead products, and airtight doors; Construction of radiation protection engineering, electromagnetic shielding engineering, purification engineering, computer room air conditioning system engineering, radioactive wastewater treatment engineering, indoor and outdoor decoration engineering; Sales of radiation protection equipment and materials, air purification equipment, measuring instruments, and building materials; Industrial testing room, architectural engineering design, and construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealed Door, Industrial Injury Detection Door, Lead Glass

TOP7
Shandong Leading Metal Materials Co., Ltd

Production Workshop 2, West Garden Machinery Equipment and Accessories Processing and Manufacturing Project, Jingsan Road, Liuyuan Street, Dongchangfu District, Liaocheng City, Shandong Province

Overall Score4.6 / 5
Est. Date2020-03-16
Registered Capital10000K CNY

Shandong Leading Metal Materials Co., Ltd. is located in Workshop 2 of the West Garden Machinery Equipment and Accessories Processing and Manufacturing Project on Jingsan Road, Liuyuan Street, Dongchangfu District, Liaocheng City, Shandong Province. It was established on March 16, 2020 and registered with the Market Supervision Administration of Dongchangfu District, Liaocheng City. The legal representative is Yang Yonghui. Core products: Sealed Door, Protective Plate, Non Destructive Testing And Non-Destructive Testing Of Lead Room

TOP8
Guangzhou Leipu Gate Control Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2014-11-06
Registered Capital500K CNY

Guangzhou Leipu Door Control Equipment Co., Ltd., with its registered address at Room 101, No. 32, Shishan Road, the Pearl River Village, Huangpu District, Guangzhou (for office use only), is registered by the Market Supervision Administration of Huangpu District, Guangzhou, and its legal representative is Liang Zhike. Its business scope includes wholesale of hardware products; Wholesale of electronic products; Wholesale of electrical equipment; Wholesale of metal products; Wholesale of fiberglass materials; Wholesale of building materials and decorative materials; Wholesale of fire-fighting equipment and devices; Wholesale trade of goods (excluding licensed and approved goods); Hardware retail; Retail of decorative glass; Retail of fiberglass materials; Retail of metal decorative materials; Sales of radiation protection equipment; Retail trade of goods (excluding licensed and approved goods); Electronic automation engineering installation services; Electronic equipment engineering installation services; Intelligent installation engineering services; Installation services for monitoring system engineering; Installation and maintenance of radiation protection equipment; Manufacturing of metal doors and windows; Research and development of electronic, communication, and automatic control technologies; Installation services for building steel structures and prefabricated components engineering; Installation of doors and windows; Maintenance and upkeep of fire-fighting facilities and equipment; Design, construction, and maintenance of security technology prevention systems; Maintenance of other office equipment; Repair of household electronic products; Repair of daily electrical appliances;. Core products: Sealed Door, Luxury Revolving Door In The Exhibition Hall, Glass Revolving Door

TOP9
Xuzhou Zhengbang Mining Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2018-01-30
Registered Capital35000K CNY

Xuzhou Zhengbang Mining Equipment Manufacturing Co., Ltd., with its registered address at Shatang Orchard, Dapeng Town, Tongshan District, Xuzhou City, is registered with the Tongshan District Administrative Approval Bureau of Xuzhou City. The legal representative is Zhang Jingchen, and its business scope includes general projects such as mining machinery manufacturing; Manufacturing of hydraulic power machinery and components; Sales of mining machinery; Sales of hydraulic power machinery and components; Manufacturing of marine supporting equipment; Sales of daily necessities; Retail of hardware products; Sales of firefighting equipment; Sales of industrial automatic control system devices; Retail of cosmetics; Sales of office supplies; Clothing and apparel retail; Retail of shoes and hats; Sales of personal hygiene products; Integrated circuit design; Sales of artificial intelligence hardware; Development of artificial intelligence application software; Artificial intelligence theory and algorithm software development; Artificial Intelligence Universal Application System; Artificial intelligence industry application system integration services; Software development; Internet data service; Information system integration services; Industrial robot manufacturing; Sales of industrial robots; Industrial design services; Research and development of intelligent robots; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Sales of electrical equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical instruments and meters; Sales of advanced power electronic devices; Manufacturing of electronic components and electromechanical equipment; Manufacturing of special task robots; Manufacturing of digital video surveillance systems; Sales of digital video surveillance systems; Security system monitoring service; Retail of electronic components; Development of network and information security software; Sales of specialized instruments and meters for environmental monitoring; Internet of Things application services; Big data services; Artificial intelligence basic resources and technology platform; Information technology consulting services; Information system operation and maintenance services; Intelligent control system integration; Computer system services; Manufacturing of computer software, hardware, and peripheral devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of communication equipment; 5G communication technology services; Sales of industrial control computers and systems; Sales of electrical equipment; Sales of power electronic components; Technology promotion and application services; Electronic product sales (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Sealed Door, Mmb , Mining Air Door Opening And Closing Status Sensor

TOP10
Beiyuan Water Conservancy Machinery Factory in Xinhe County (sole proprietorship)
Overall Score4.3 / 5
Est. Date2025-12-25
Registered Capital2000K CNY

Beiyuan Water Conservancy Machinery Factory (sole proprietorship) in Xinhe County, Xingtai City, Hebei Province, with its registered address at No. 231 Zhangzhuan Village, Gaosong, Xinhe Town, Xinhe County. The registration authority is the Market Supervision Administration of Xinhe County, and the legal representative is Geng Xiaolin. Its business scope includes general projects such as the manufacturing of water resources specialized machinery and equipment; Sales of mechanical equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of mechanical and electrical equipment; Rubber product manufacturing; Sales of rubber products; Specialized equipment repair; General equipment repair; Ordinary mechanical equipment installation services (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Sealed Door, Winch Hoist, Screw Opening And Closing Machine

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Zhongtan Intelligent Equipment Co., Ltd2022-03-01Sealed Door, Steel Products, Rescue Category10000K CNYSupported
Sowaton (Guangzhou) Intelligent Doors and Windows Industrial Co., Ltd2017-10-27Sealed Door, Industrial Rapid Rolling Shutter Door, Anti-Collision Door3000K CNYNot Supported
Shanghai Fenggu Pharmaceutical Equipment Co., Ltd2016-05-10Sealed Door, Biosafety Protection Transmission Window, Monkey Isolator8000K CNYNot Supported
Shanghai Tangchen Construction Engineering Co., Ltd2022-08-02Sealed Door, Mmb , Smoke Barrier11680K CNYNot Supported
Renqiu Aoruisi Door Industry Co., Ltd2017-09-05Sealed Door, , Inorganic Fabric Fireproof Rolling Shutter Door5000K CNYNot Supported
Shandong Qite Radiation Protection Equipment Co., Ltd2017-10-19Sealed Door, Industrial Injury Detection Door, Lead Glass10000K CNYSupported
Shandong Leading Metal Materials Co., Ltd2020-03-16Sealed Door, Protective Plate, Non Destructive Testing And Non-Destructive Testing Of Lead Room10000K CNYSupported
Guangzhou Leipu Gate Control Equipment Co., Ltd2014-11-06Sealed Door, Luxury Revolving Door In The Exhibition Hall, Glass Revolving Door500K CNYNot Supported
Xuzhou Zhengbang Mining Equipment Manufacturing Co., Ltd2018-01-30Sealed Door, Mmb , Mining Air Door Opening And Closing Status Sensor35000K CNYSupported
Beiyuan Water Conservancy Machinery Factory in Xinhe County (sole proprietorship)2025-12-25Sealed Door, Winch Hoist, Screw Opening And Closing Machine2000K CNYSupported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • When selecting sealed door suppliers, it is recommended that enterprises prioritize confirming key technical parameters such as door thickness, sealing strip material, and compressive strength, which directly affect sealing performance and service life.
  • Sealed doors are commonly used in medical cleanrooms, food processing workshops, and other environments that require high air tightness. Before purchasing, it is necessary to clarify the temperature, humidity, and cleanliness level requirements of the operating environment.
  • When selecting suppliers, reference can be made to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support to ensure the reliability of suppliers.
  • For the procurement of sealed doors in high-pressure environments, additional attention should be paid to the structural design of the door frame and the load-bearing capacity of the hinges to avoid deformation or sealing failure caused by long-term use.
  • Sealed doors used in industrial plants usually need to consider both fire and corrosion prevention functions. It is recommended to comprehensively evaluate the product testing reports provided by suppliers based on specific application scenarios.

Knowledge Base

Q

This article focuses on the sealing requirements of anti-theft door sub mother doors, analyzes the characteristics and applicable scenarios of different types of sealing strips, provides practical purchasing suggestions from material adaptation, installation techniques to durability testing, and helps solve the problem of air and sound leakage in door seams.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs