Updated Oct 15, 2026 · Public platform & industry data

Oct 15, 2026 Updated

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2026 Top 10 Forward And Reverse Non Pressure Air Door Manufacturers in China

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Top-rated Forward And Reverse Non Pressure Air Door suppliers, How to choose a Forward And Reverse Non Pressure Air Door manufacturer, Best Forward And Reverse Non Pressure Air Door companies in China

The top 10 Forward And Reverse Non Pressure Air Door manufacturers in China for 2026 are: Jining Wanda Machinery Equipment Co., Ltd, Middling coal Industry and Mining Materials Group Co., Ltd, Shandong Pumei Intelligent Equipment Co., Ltd, Shandong Shenhua Machinery Manufacturing Co., Ltd, Middling coal Industry and Mining Materials Group Co., Ltd, Shandong Zhonglu Heavy Industry Co., Ltd, Jining Wanli Machinery Manufacturing Co., Ltd, Yimei Machinery Equipment Manufacturing Co., Ltd, Shandong Kuang'an Heavy Industry Co., Ltd, Shandong Shenkuang Heavy Industry Co., Ltd. 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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Jining Wanda Machinery Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2015-11-20
Registered Capital500K CNY

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: Forward And Reverse Non Pressure Air Door, Reciprocating Coal Feeder, Pipeline Explosion Suppression Device

Top 2
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Middling coal Industry and Mining Materials Group Co., Ltd
Overall Score4.7 / 5
Est. Date2001-04-23
Registered Capital100000K CNY

Middling coal Industry and Mining Materials Group Co., Ltd., with its registered address at No. 11, North Kaiyuan Road, High tech Zone, Jining City, is registered by the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Qu Qing. Its business scope includes general projects: special equipment manufacturing (excluding licensed professional equipment manufacturing); Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of mechanical and electrical equipment; Sales of electrical and mechanical equipment; Research and development of intelligent robots; Sales of intelligent robots; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic vacuum devices; Sales of electronic vacuum devices; Manufacturing of electronic components; Retail of electronic components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Sales of railway transportation infrastructure equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Sales of lubricating oil; Sales of household appliances; Sales of metal products; Manufacturing of non-metallic mineral products; Sales of mobile communication devices; Sales of IoT devices; Wholesale of hardware products; Retail of hardware products; Sales of labor protection equipment; Sales of building materials; Sales of metal materials; Sales of agricultural and sideline products; Research and development of emerging energy technologies; Specialized equipment repair; Mechanical equipment leasing; Software development; Software sales; Information system integration services; Intelligent control system integration; Domestic cargo transportation agency (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license): Internet information service; Import and export of goods; Technology import and export; Manufacturing of railway transportation infrastructure equipment; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Forward And Reverse Non Pressure Air Door, Large-Scale Equipment, Spraying Equipment

Top 3
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Shandong Pumei Intelligent Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2020-04-20
Registered Capital3000K CNY

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: Forward And Reverse Non Pressure Air Door, Supporting Equipment, Mining Equipment

TOP4
Shandong Shenhua Machinery Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2014-11-11
Registered Capital30000K CNY

Shandong Shenhua Machinery Manufacturing Co., Ltd., with its registered address at No. 11 Kaiyuan Road, Jining High tech Zone, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Han Yong, and its business scope includes general projects: manufacturing of construction machinery; Sales of construction machinery; Manufacturing of specialized equipment for geological exploration; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of specialized equipment for geological exploration; Sales of rail transit engineering machinery and components; Mechanical equipment research and development; Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Sales of special equipment; Sales of metal materials; Sales of steel reinforcement products for construction; Sales of new energy vehicles as a whole; Sales of generators and generator sets; General equipment manufacturing (excluding special equipment manufacturing); Motor manufacturing; Sales of building materials; Manufacturing of material handling equipment; Sales of material handling equipment; 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: Forward And Reverse Non Pressure Air Door, Ventilation And Safety Equipment, Petroleum Equipment

TOP5
Middling coal Industry and Mining Materials Group Co., Ltd
Overall Score4.6 / 5
Est. Date2001-04-23
Registered Capital100000K CNY

Middling coal Industry and Mining Materials Group Co., Ltd., with its registered address at No. 11, North Kaiyuan Road, High tech Zone, Jining City, is registered by the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Qu Qing. Its business scope includes general projects: special equipment manufacturing (excluding licensed professional equipment manufacturing); Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of mechanical and electrical equipment; Sales of electrical and mechanical equipment; Research and development of intelligent robots; Sales of intelligent robots; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic vacuum devices; Sales of electronic vacuum devices; Manufacturing of electronic components; Retail of electronic components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Sales of railway transportation infrastructure equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Sales of lubricating oil; Sales of household appliances; Sales of metal products; Manufacturing of non-metallic mineral products; Sales of mobile communication devices; Sales of IoT devices; Wholesale of hardware products; Retail of hardware products; Sales of labor protection equipment; Sales of building materials; Sales of metal materials; Sales of agricultural and sideline products; Research and development of emerging energy technologies; Specialized equipment repair; Mechanical equipment leasing; Software development; Software sales; Information system integration services; Intelligent control system integration; Domestic cargo transportation agency (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license): Internet information service; Import and export of goods; Technology import and export; Manufacturing of railway transportation infrastructure equipment; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Forward And Reverse Non Pressure Air Door, Large-Scale Equipment, Supporting Equipment

TOP6
Shandong Zhonglu Heavy Industry Co., Ltd
Overall Score4.5 / 5
Est. Date2023-09-18
Registered Capital50000K CNY

Shandong Zhonglu Heavy Industry Co., Ltd., with its registered address at No. 90 Fuxin Road, Fuxin Street, Fushan District, Yantai City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Fushan District, Yantai City. Its legal representative is Ma Ye, and its business scope includes general projects such as the manufacturing of construction machinery; Manufacturing of metal structures; Manufacturing of new energy prime mover equipment; CNC machine tool manufacturing; Bearing manufacturing; Agricultural machinery manufacturing; Sales of mechanical and electrical equipment; Sales of new energy vehicles as a whole; Container manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of metal materials; Sales of construction machinery; Sales of special equipment; Steel rolling processing; Manufacturing of specialized equipment for environmental protection; Manufacturing of material handling equipment; Sales of metal structures; Manufacturing of metal cutting and welding equipment; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of high-speed precision gear transmission devices; Manufacturing of specialized machinery for the production of building materials; Mechanical parts and component processing; Sales of mechanical equipment; Mining machinery manufacturing; Manufacturing of metal processing machinery; Industrial robot manufacturing; Sales of mechanical parts and components; Manufacturing of general components; Manufacturing of electronic components; Sales of mining machinery; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: construction engineering design; Construction project construction. (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: Forward And Reverse Non Pressure Air Door, Mechanical Hardware, Operating Equipment

TOP7
Jining Wanli Machinery Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2022-12-08
Registered Capital5000K CNY

Jining Wanli Machinery Manufacturing Co., Ltd., with its registered address at Workshop 4-1, Jining Xuguang Machinery Co., Ltd., Liuhou Village, Nanzhang Street, Rencheng District, Jining City, Shandong Province, China. The registered authority is the Market Supervision Administration of Rencheng District, Jining City, and the legal representative is Hua Qiuli. Its business scope includes general projects such as metal processing machinery manufacturing; Sales of metal products; Manufacturing of construction machinery; Mechanical parts and component processing; Sales of mechanical equipment; Mining machinery manufacturing; Manufacturing of specialized equipment for agricultural and sideline food processing; Mechanical equipment research and development; Sales of construction machinery; Sales of firefighting equipment; Sales of instruments and meters. (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: Forward And Reverse Non Pressure Air Door, Belt Conveyor Series, Mining Tensioning Equipment

TOP8
Yimei Machinery Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2012-08-08
Registered Capital50000K CNY

Yimei Machinery Equipment Manufacturing Co., Ltd., registered at No. 11 Kaiyuan Road North, Jining High tech Zone, with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone as the registration authority and Qu Qing as the legal representative, engages in the manufacturing and sales of mechanical equipment, mechanical electrical appliances, and accessories; Import and export business of goods and technology (excluding goods and technology prohibited or restricted by the state); Wholesale and retail of electrical machinery and equipment, hardware and chemical products (excluding hazardous chemicals), steel wire ropes, mining equipment, and steel; Installation of coal mine machinery and equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Forward And Reverse Non Pressure Air Door, Mechanical Hardware, Mining Door

TOP9
Shandong Kuang'an Heavy Industry Co., Ltd
Overall Score4.4 / 5
Est. Date2020-11-05
Registered Capital51180K CNY

Shandong Kuang'an Heavy Industry Co., Ltd., with its registered address at Building 9, Shanbo Road South Yard, 666 meters east of the intersection of Shanbo Road and Haichuan Road, 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 Chen Qian, and the business scope includes general projects such as mining machinery manufacturing; Manufacturing of power electronic components; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Research and development of distribution switch control equipment; Mechanical equipment research and development; Research and development of motors and their control systems; Sales of mining machinery; Retail of electronic components; Sales of mechanical and electrical equipment; General equipment repair; Electrical equipment repair; Sales of underwater systems and operational equipment; Electronic product sales; Sales of plastic products; Information system operation and maintenance services; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export; Internet sales (except for the sale of goods that need to be licensed); Sales of construction machinery. (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: Forward And Reverse Non Pressure Air Door, Reciprocating Coal Feeder And Accessories, Monitoring Equipment

TOP10
Shandong Shenkuang Heavy Industry Co., Ltd
Overall Score4.4 / 5
Est. Date2021-07-23
Registered Capital3000K CNY

Shandong Shenkuang Heavy Industry Co., Ltd., with its registered address at the intersection of Hengfeng Road and Xingzhong Road, Zhongdian Town, Zoucheng City, Jining City, Shandong Province, China, is located 50 meters north of the intersection of Hengfeng Road and Xingzhong Road. The registration authority is the Zoucheng Market Supervision Administration, and the legal representative is Zhang Xianjun. Its business scope includes general projects such as mining machinery manufacturing; Manufacturing of specialized equipment for environmental protection; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of high-speed rail equipment and accessories; Installation services for ordinary mechanical equipment; Lubricating oil processing and manufacturing (excluding hazardous chemicals); Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Specialized equipment repair; General equipment repair. (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; 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: Forward And Reverse Non Pressure Air Door, Scaffolding, Wheelset

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jining Wanda Machinery Equipment Co., Ltd2015-11-20Forward And Reverse Non Pressure Air Door, Reciprocating Coal Feeder, Pipeline Explosion Suppression Device500K CNYSupported
Middling coal Industry and Mining Materials Group Co., Ltd2001-04-23Forward And Reverse Non Pressure Air Door, Large-Scale Equipment, Spraying Equipment100000K CNYNot Supported
Shandong Pumei Intelligent Equipment Co., Ltd2020-04-20Forward And Reverse Non Pressure Air Door, Supporting Equipment, Mining Equipment 3000K CNYSupported
Shandong Shenhua Machinery Manufacturing Co., Ltd2014-11-11Forward And Reverse Non Pressure Air Door, Ventilation And Safety Equipment, Petroleum Equipment30000K CNYNot Supported
Middling coal Industry and Mining Materials Group Co., Ltd2001-04-23Forward And Reverse Non Pressure Air Door, Large-Scale Equipment, Supporting Equipment100000K CNYNot Supported
Shandong Zhonglu Heavy Industry Co., Ltd2023-09-18Forward And Reverse Non Pressure Air Door, Mechanical Hardware, Operating Equipment50000K CNYNot Supported
Jining Wanli Machinery Manufacturing Co., Ltd2022-12-08Forward And Reverse Non Pressure Air Door, Belt Conveyor Series, Mining Tensioning Equipment5000K CNYSupported
Yimei Machinery Equipment Manufacturing Co., Ltd2012-08-08Forward And Reverse Non Pressure Air Door, Mechanical Hardware, Mining Door50000K CNYNot Supported
Shandong Kuang'an Heavy Industry Co., Ltd2020-11-05Forward And Reverse Non Pressure Air Door, Reciprocating Coal Feeder And Accessories, Monitoring Equipment51180K CNYSupported
Shandong Shenkuang Heavy Industry Co., Ltd2021-07-23Forward And Reverse Non Pressure Air Door, Scaffolding, Wheelset3000K CNYSupported

Purchasing Guide

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

  • In the actual procurement process of forward and reverse non pressure air doors, it is recommended to prioritize checking key technical parameters such as wind pressure bearing range and sealing performance to ensure that they match the working requirements of the mine or tunnel ventilation system.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These suppliers usually have more stable delivery capabilities in the coal mining or underground engineering fields.
  • For high gas mines or bi-directional ventilation scenarios, the bi-directional opening and closing function and impact resistance design of forward and reverse non pressure dampers are key evaluation items, and the appropriate model needs to be selected based on specific scenarios.
  • Different specifications of forward and reverse non pressure air doors are suitable for environments with significant differences in tunnel width. Before procurement, it is necessary to clarify the size limitations of the installation space to avoid secondary modifications due to structural incompatibility.

Knowledge Base

Q

Baidu AiGou has found pictures of different categories of positive and negative pressure free air doors for you, taking you to appreciate the diversity and uniqueness of positive and negative pressure free air doors. At the same time, we also recommend high-quality positive and negative pressure free air door products for you, allowing you to easily and quickly find the most suitable positive and negative pressure free air door for yourself when making purchases.

Q

Baidu AiGou has found pictures of different categories of positive and negative pressure free air doors for you, taking you to appreciate the diversity and uniqueness of positive and negative pressure free air doors. At the same time, we also recommend high-quality positive and negative pressure free air door products for you, allowing you to easily and quickly find the most suitable positive and negative pressure free air door for yourself when making purchases.

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