Updated Oct 25, 2026 · Public platform & industry data

Oct 25, 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: Jiangsu Nanbo Machinery Manufacturing Co., Ltd, Middling coal Industry and Mining Materials Group Co., Ltd, Hebei Zhonghao Machinery Manufacturing Co., Ltd, Botou Zhongchuang Machinery Manufacturing Co., Ltd, Botou General Bellows Manufacturing Co., Ltd, Hebei Zhonghao Machinery Manufacturing Co., Ltd, Zhejiang Tengsheng Door Industry Engineering Co., Ltd, Jining Shanneng Industrial and Mining Equipment Co., Ltd, Jining Hongye Industrial and Mining Equipment Co., Ltd, Cangzhou Zhongnuo Machinery Manufacturing 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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Jiangsu Nanbo Machinery Manufacturing Co., Ltd
Overall Score4.9 / 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

Top 2
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Middling coal Industry and Mining Materials Group Co., Ltd
Overall Score4.8 / 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 3
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Hebei Zhonghao Machinery Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2016-06-02
Registered Capital21000K CNY

Hebei Zhonghao Machinery Manufacturing Co., Ltd. is registered in Lilou Village, Qiqiao Town, Botou City, Cangzhou City, Hebei Province (west of Langbo Road). The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Yao Yuxiu. The business scope includes other unspecified general equipment manufacturing industries. Ripple compensator, non-metallic compensator, metal hose, rubber compensator, rubber flexible joint, ventilation butterfly valve, air door, plug valve, unloader, conveying equipment, dust humidifier, skeleton, bag, bucket elevator, pipeline accessories, dust removal equipment and accessories production, sales, and mechanical processing. (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: Damper, Ripple Compensator (Expansion Joint), Ventilation Butterfly Valve (Smoke Duct Baffle Door)

TOP4
Botou Zhongchuang Machinery Manufacturing Co., Ltd
Overall Score4.7 / 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

TOP5
Botou General Bellows Manufacturing Co., Ltd
Overall Score4.7 / 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

TOP6
Hebei Zhonghao Machinery Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2016-06-02
Registered Capital21000K CNY

Hebei Zhonghao Machinery Manufacturing Co., Ltd. is registered in Lilou Village, Qiqiao Town, Botou City, Cangzhou City, Hebei Province (west of Langbo Road). The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Yao Yuxiu. The business scope includes other unspecified general equipment manufacturing industries. Ripple compensator, non-metallic compensator, metal hose, rubber compensator, rubber flexible joint, ventilation butterfly valve, air door, plug valve, unloader, conveying equipment, dust humidifier, skeleton, bag, bucket elevator, pipeline accessories, dust removal equipment and accessories production, sales, and mechanical processing. (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: Damper, Stainless Steel Compensator Series, Ripple Compensator Series

TOP7
Zhejiang Tengsheng Door Industry Engineering Co., Ltd
Overall Score4.6 / 5
Est. Date2023-02-27
Registered Capital10000K CNY

Zhejiang Tengsheng Door Industry Engineering Co., Ltd., with its registered address at No. 2 Shuishe Village, Zhongzhao Village, Hefu Town, Nanxun District, Huzhou City, Zhejiang Province (self declared), registered with the Market Supervision Administration of Nanxun District, Huzhou City, and represented by Ma Chunyuan as its legal representative. Its business scope includes general projects such as metal door and window construction; Manufacturing and processing of doors and windows; Sales of doors and windows; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of building decoration materials; Sales of building materials; Professional cleaning, washing, and disinfection services; Building cleaning services; Home service; Software sales; Sales of metal structures; Sales of daily glass products; Sales of office supplies; Battery sales; Retail of hardware products; Wholesale of hardware products; Sales of metal fittings for construction; Sales of metal products; Research and development of hardware products; Wholesale of daily necessities; Sales of daily necessities (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: Installation of protective equipment for civil air defense engineering; Construction professional operations; Sales of civil air defense engineering protective equipment (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Damper

TOP8
Jining Shanneng Industrial and Mining Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2014-03-27
Registered Capital1000K CNY

Jining Shanneng Industrial and Mining Equipment Co., Ltd., with its registered address at Room 2101, North Building, Chengguang Building, Hongxing East Road, Guanyin Ge Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Ye Menghui, and its business scope includes the sales and related technical consulting, as well as after-sales services of industrial and mining equipment and accessories, mechanical equipment, electrical machinery and accessories, electronic products, chemical products (excluding hazardous chemicals), high and low voltage electrical appliances, instruments and meters, communication automation, building materials (excluding wood), steel, and coal mining machinery and equipment; Sales of railway equipment and accessories, rescue equipment, fire-fighting equipment, hardware tools, labor protection supplies, food, liquid disinfectants, and Class I medical devices; Import and export business of goods and technology (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: Damper, Phase Change Material, Rubber Products

TOP9
Jining Hongye Industrial and Mining Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2013-11-13
Registered Capital1000K CNY

Jining Hongye Industrial and Mining Equipment Co., Ltd., with its registered address at Room 2619, 26th Floor, Hongxing International, Jining High tech Zone, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Zhang Feifei. Its business scope includes general projects such as sales of mining machinery; Sales of mechanical equipment; Sales of metal structures; Sales of building materials; Sales of construction machinery; Sales of specialized instruments and meters for environmental monitoring; Sales of intelligent agricultural machinery and equipment; Agricultural machinery services; Sales of agricultural machinery; Wholesale of hardware products; Retail of hardware products; Sales of specialized equipment for rubber processing; Sales of rubber products; Sales of geological exploration and seismic specialized instruments; Sales of security equipment; Sales of pumps and vacuum equipment; Sales of plastic products; Sales of metal products; Loading and unloading handling; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of forgings and powder metallurgy products; Sales of pipeline transportation equipment; Sales of mechanical and electrical equipment; Sales of optical communication equipment; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Specialized equipment repair; General equipment repair; Sales of coatings (excluding hazardous chemicals); Sales of electrical instruments and meters; Sales of material handling equipment; Sales of electrical equipment; Sales of special equipment; 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: Damper, Transportation Equipment, Explosion-Proof Equipment

TOP10
Cangzhou Zhongnuo Machinery Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2012-11-05
Registered Capital10000K CNY

Cangzhou Zhongnuo Machinery Manufacturing Co., Ltd. is registered at No. 1 Road, Industrial Zone, Botou City, Liduli Village, Waliwang Town, Botou City. The registration authority is Botou Market Supervision Administration Bureau, and the legal representative is Yang Ping. The business scope includes the manufacturing of environmental protection special equipment. Dust removal equipment and accessories, complete sets of conveying equipment and accessories, screw conveyors, shut-off fans, exhaust gas treatment equipment, corrugated pipe compensators, metal hoses, valves and pipeline accessories, protective equipment, filters, hardware tools, boiler accessories, production, processing, installation, and sales of mechanical and electrical 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: Damper, Three-Way Valve, Dust Collection Filter Bag

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Nanbo Machinery Manufacturing Co., Ltd2014-11-28Damper, Compensator, Expansion Joint10880K CNYNot Supported
Middling coal Industry and Mining Materials Group Co., Ltd2001-04-23Damper, Large-Scale Equipment, Spraying Equipment100000K CNYNot Supported
Hebei Zhonghao Machinery Manufacturing Co., Ltd2016-06-02Damper, Ripple Compensator (Expansion Joint), Ventilation Butterfly Valve (Smoke Duct Baffle Door)21000K CNYSupported
Botou Zhongchuang Machinery Manufacturing Co., Ltd2010-09-15Damper, Compensator, Non Metallic Expansion Joint5000K CNYNot Supported
Botou General Bellows Manufacturing Co., Ltd2004-04-30Damper, Expansion Joint, Rubber Compensator11680K CNYNot Supported
Hebei Zhonghao Machinery Manufacturing Co., Ltd2016-06-02Damper, Stainless Steel Compensator Series, Ripple Compensator Series21000K CNYNot Supported
Zhejiang Tengsheng Door Industry Engineering Co., Ltd2023-02-27Damper10000K CNYNot Supported
Jining Shanneng Industrial and Mining Equipment Co., Ltd2014-03-27Damper, Phase Change Material, Rubber Products1000K CNYSupported
Jining Hongye Industrial and Mining Equipment Co., Ltd2013-11-13Damper, Transportation Equipment, Explosion-Proof Equipment1000K CNYSupported
Cangzhou Zhongnuo Machinery Manufacturing Co., Ltd2012-11-05Damper, Three-Way Valve, Dust Collection Filter Bag10000K 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