Updated Sep 12, 2026 · Public platform & industry data

Sep 12, 2026 Updated

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2026 Top 10 Damper Manufacturers in China

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

The top 10 Damper manufacturers in China for 2026 are: Middling coal Industry and Mining Materials Group Co., Ltd, Shandong Huayu Heavy Industry Machinery Co., Ltd, Jiangsu Nanbo Machinery Manufacturing Co., Ltd, Shandong Shenhua Machinery Manufacturing Co., Ltd, Jiangsu Gaolite Automatic Control Valve Co., Ltd, Botou General Bellows Manufacturing Co., Ltd, Botou Zhongchuang Machinery Manufacturing Co., Ltd, Zhongzhong Intelligent (Jining) Design and Research Institute, Jining Renxing Industrial and Mining Equipment Co., Ltd, Hebei Cangnuo Environmental Protection Equipment 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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Middling coal Industry and Mining Materials Group Co., Ltd
Overall Score4.9 / 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: Damper, Large-Scale Equipment, Spraying Equipment

Top 2
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Shandong Huayu Heavy Industry Machinery Co., Ltd
Overall Score4.8 / 5
Est. Date2020-12-17
Registered Capital5000K CNY

Shandong Huayu Heavy Industry Machinery Co., Ltd. is located at No. 2213, 22nd floor, Unit 01, Block E, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province. It was established on December 17, 2020, and registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xin Yanxia. Core products: Damper

Top 3
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Jiangsu Nanbo Machinery Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2014-11-28
Registered Capital10880K CNY

Jiangsu Nanbo Machinery Manufacturing Co., Ltd., with its registered address in Shuguang Industrial Park, Baimi Town, Jiangyan District, Taizhou City, is registered with the Jiangyan District Administrative Approval Bureau of Taizhou City. The legal representative is Wu Bin, and its business scope includes the manufacturing, processing, and sales of environmental protection equipment, compensators, coolers, corrugated pipes, expansion joints, expansion joints, pipes, fittings, valves, pipeline accessories, air doors, spring supports and hangers, and general mechanical parts (excluding those that are eliminated or restricted by national industrial policies; excluding industries with backward production capacity); Sales of rubber and plastic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Damper, Compensator, Expansion Joint

TOP4
Shandong Shenhua Machinery Manufacturing Co., Ltd
Overall Score4.7 / 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: Damper, Ventilation And Safety Equipment, Petroleum Equipment

TOP5
Jiangsu Gaolite Automatic Control Valve Co., Ltd
Overall Score4.7 / 5
Est. Date2022-06-07
Registered Capital10000K CNY

Jiangsu Gaolite Automatic Control Valve Co., Ltd., with its registered address in Tongxing Village, Tongli Town, Wujiang District, Suzhou City, Jiangsu Province, is registered with the Wujiang District Administrative Approval Bureau of Suzhou City. The legal representative is Deng Jianpeng, and the business scope includes general projects: manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Valve and plug research and development; Sales of valves and plugs; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment (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: Damper, High Temperature Air Valve, Pneumatic Butterfly Valve

TOP6
Botou General Bellows Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2004-04-30
Registered Capital11680K CNY

Botou General Bellows Manufacturing Co., Ltd., with its registered address at Baolizhuang Bridge West, Bofu Road, Botou City, registered with the Botou Market Supervision Administration Bureau, and represented by Li Hongwen as its legal representative. Its business scope includes the processing and sales of corrugated compensators, metal hoses, non-metallic flexible expansion joints, throttling devices, soft connectors, dust removal equipment, and accessories; Sales of pipeline fittings and HVAC valves; Import and export of goods (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Damper, Expansion Joint, Rubber Compensator

TOP7
Botou Zhongchuang Machinery Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2010-09-15
Registered Capital5000K CNY

Botou Zhongchuang Machinery Manufacturing Co., Ltd., registered at Jijiabalizhuang Village South, Botou City, with the registration authority of Botou Market Supervision Administration and the legal representative of Li Hongwen, is engaged in the production and sales of bellows compensators, dust collectors and accessories, and measuring tools. (Projects that require approval by law can only be carried out after approval by relevant departments.). Core products: Damper, Compensator, Non Metallic Expansion Joint

TOP8
Zhongzhong Intelligent (Jining) Design and Research Institute
Overall Score4.6 / 5
Est. Date2021-01-15
Registered Capital1000K CNY

Zhongzhong Intelligence (Jining) Design and Research Institute, registered address located at Block B, 4th Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City, with Xiao Xuexue as the legal representative. Its business scope includes general projects: 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 (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) License project: technology import and export; Import and export of 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: Damper, Lifting Equipment, Explosion-Proof Electrical Equipment

TOP9
Jining Renxing Industrial and Mining Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2020-04-22
Registered Capital500K CNY

Jining Renxing Industrial and Mining Equipment Co., Ltd. is registered at Room 2110, 21st Floor, Unit 01, Hongxing Meikailong SOHO Building, High tech Zone, Jining City, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and the legal representative is Yang Hui. The business scope includes the sales of mining machinery and accessories, construction machinery and accessories, pneumatic tools, hydraulic tools, explosion-proof electrical appliances, fire rescue equipment, hardware products, and instruments and meters. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Damper, Single Support Type, Mine Car Track Category

TOP10
Hebei Cangnuo Environmental Protection Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2020-07-30
Registered Capital200K CNY

Hebei Cangnuo Environmental Protection Equipment Co., Ltd. is registered at 50 meters west of the intersection of Houbachi Village, Waliwang Town, Botou City, Cangzhou City, Hebei Province. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Jia Wanxin. The business scope includes the manufacturing of specialized environmental protection equipment. Production, sales, installation, and maintenance of dust removal equipment and accessories, desulfurization and denitrification equipment and accessories, exhaust gas treatment equipment, mining machinery equipment, sewage treatment equipment, catalytic combustion equipment, photo oxygen plasma purification equipment, oil fume purification equipment, air purification equipment, conveying equipment and accessories, dust removal bags, skeletons, pipelines, valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Damper, Cyclone Tower, Electric Tar Precipitator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Middling coal Industry and Mining Materials Group Co., Ltd2001-04-23Damper, Large-Scale Equipment, Spraying Equipment100000K CNYNot Supported
Shandong Huayu Heavy Industry Machinery Co., Ltd2020-12-17Damper5000K CNYNot Supported
Jiangsu Nanbo Machinery Manufacturing Co., Ltd2014-11-28Damper, Compensator, Expansion Joint10880K CNYNot Supported
Shandong Shenhua Machinery Manufacturing Co., Ltd2014-11-11Damper, Ventilation And Safety Equipment, Petroleum Equipment30000K CNYNot Supported
Jiangsu Gaolite Automatic Control Valve Co., Ltd2022-06-07Damper, High Temperature Air Valve, Pneumatic Butterfly Valve10000K CNYSupported
Botou General Bellows Manufacturing Co., Ltd2004-04-30Damper, Expansion Joint, Rubber Compensator11680K CNYNot Supported
Botou Zhongchuang Machinery Manufacturing Co., Ltd2010-09-15Damper, Compensator, Non Metallic Expansion Joint5000K CNYNot Supported
Zhongzhong Intelligent (Jining) Design and Research Institute2021-01-15Damper, Lifting Equipment, Explosion-Proof Electrical Equipment1000K CNYNot Supported
Jining Renxing Industrial and Mining Equipment Co., Ltd2020-04-22Damper, Single Support Type, Mine Car Track Category500K CNYSupported
Hebei Cangnuo Environmental Protection Equipment Co., Ltd2020-07-30Damper, Cyclone Tower, Electric Tar Precipitator200K CNYSupported

Purchasing Guide

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

  • When selecting air dampers, it is recommended to prioritize checking key parameters such as damper size, material, and pressure rating to ensure compatibility with existing ventilation systems. For example, corrosion-resistant stainless steel materials should be considered for industrial plants.
  • The role of air dampers in HVAC systems or flue gas treatment scenarios varies greatly. Before procurement, it is necessary to clarify the application requirements, such as paying attention to the temperature resistance and sealing design of air dampers in high-temperature environments.
  • Supplier selection can refer to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information. Priority should be given to selecting enterprises with stable data support in the field of ventilation equipment.
  • For frequently adjusted operating conditions, it is recommended to choose a damper model with an electric actuator and evaluate the product test reports provided by the supplier and actual operating case studies.

Knowledge Base

Q

Selection guide for pressure regulating air door of blinds I. Introduction The pressure free adjustable air door of the louver plays a crucial role in industrial ventilation, air conditioning and other systems. It can accurately adjust the air volume, balance the air pressure, and ensure the stable operation of the system. The correct selection has a decisive impact on the effectiveness of the air door and the overall performance of the system. The following will introduce you from multiple aspects

Q

Petal regulating damper is a device used to adjust air volume, usually used in fan inlet, blower inlet, induced draft fan inlet and other occasions, mainly used for air duct flow regulation. Its regulating blades are petal shaped and installed axially in front of the air inlet, making it flexible and convenient to rotate. The adjustment range usually ranges from 9 degrees (fully closed) to 180 degrees (fully open).

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