Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Phenolic Composite Air Duct Manufacturers in China

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Top-rated Phenolic Composite Air Duct suppliers, How to choose a Phenolic Composite Air Duct manufacturer, Best Phenolic Composite Air Duct companies in China

The top 10 Phenolic Composite Air Duct manufacturers in China for 2026 are: Langfang Wanhui Thermal Insulation Materials Co., Ltd, Langfang Keli Er Chemical Building Materials Co., Ltd, Dacheng County Feiliu Air Conditioning Duct Manufacturing Factory, Jiashi (Taizhou) Environmental Protection Technology Co., Ltd, Yideshun Technology Co., Ltd, Hebei Fuluosi Building Materials Group Co., Ltd, Langfang Longsheng Environmental Protection Equipment Co., Ltd, Langfang Xinwo Thermal Insulation Materials Co., Ltd, Dezhou Haolin Air Conditioning Refrigeration Co., Ltd, Langfang Bangjia Composite Materials 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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Langfang Wanhui Thermal Insulation Materials Co., Ltd
Overall Score4.9 / 5
Est. Date2024-02-19
Registered Capital1000K CNY

Langfang Wanhui Thermal Insulation Materials Co., Ltd., with its registered address in Shijiawu Village, Quancun Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Shi Haicheng, and the business scope includes general projects: manufacturing of thermal insulation and sound insulation materials; Sales of insulation and soundproofing materials; Sales of engineering plastics and synthetic resins; Manufacturing of plastic products; Sales of plastic products; Production of fireproof sealing materials; Sales of fireproof sealing materials; Manufacturing of asbestos products; Sales of asbestos products; Sales of insulation materials; Sales of building materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of biobased materials; Sales of biobased materials; Sales of synthetic materials; Manufacturing of technical glass products; Sales of technical glass products; Manufacturing of cement products; Sales of cement products; Sales of coatings (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of building decoration materials; Sales of building waterproofing membrane products; Sales of sealing fillers; Sales of anti-corrosion materials; Sales of fiberglass and related products; Sales of rubber products; Sales of metal products; Sales of metal materials; Labor services (excluding labor dispatch). (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 labor subcontracting. (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: Phenolic Composite Air Duct, Polyurethane Board, Aerogel Felt

Top 2
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Langfang Keli Er Chemical Building Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2007-05-17
Registered Capital50180K CNY

Langfang Keli Er Chemical Building Materials Co., Ltd., registered at Jindi New Technology Industrial Park, Economic Development Zone, Dacheng County, Langfang City, Hebei Province, registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Sun Baoyong, and the business scope includes general projects: synthetic material manufacturing (excluding hazardous chemicals); Manufacturing of plastic products; Manufacturing of insulation and soundproofing materials; Sales of synthetic materials; Sales of plastic products; Sales of insulation and soundproofing materials; Sales of insulation materials; 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 project: 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: Phenolic Composite Air Duct, Polyphenolic Board For Tunnel Engineering, Customized Phenolic Board For Special Purposes

Top 3
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Dacheng County Feiliu Air Conditioning Duct Manufacturing Factory
Overall Score4.8 / 5
Est. Date2005-07-26
Registered Capital-

Dacheng Feiliu Air Conditioning Duct Manufacturing Factory, registered in Xiaoyan Village, Dacheng County, registered with the Market Supervision Administration of Dacheng County, Langfang City, with Sun Jie as the legal representative. Its business scope includes the production and sales of air conditioning ducts, aluminum foil hoses, and air ducts; Sales: Thermal insulation materials. (The above does not include national limited business projects and pollution projects)*. Core products: Phenolic Composite Air Duct, Industrial Integrated Calcium Silicate Board, Phenolic Air Duct

TOP4
Jiashi (Taizhou) Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2017-05-16
Registered Capital1000K CNY

Jiashi (Taizhou) Environmental Protection Technology Co., Ltd., registered at No. 58 Xinggang North Road, Sanyang Village, Yanling Street, Taixing City, registered with the Taixing Administrative Approval Bureau, with Xie Bei as the legal representative. Its business scope includes licensed projects such as wire and cable manufacturing; Construction labor subcontracting (projects that require approval by law and can only be carried out after approval by relevant departments, with specific business projects subject to approval results) General projects: natural science research and experimental development; Processing of renewable resources; Operation of wires and cables; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Engineering and technical research and experimental development; Wastewater treatment and its recycling; Manufacturing of specialized chemical products (excluding hazardous chemicals); Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Municipal facility management; Construction of landscaping and greening projects; Environmental consulting services; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Engineering management services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of resource recycling technology; Manufacturing of electronic components and electromechanical equipment; Manufacturing of power electronic components; Manufacturing of electronic components; Sales of electronic components and electromechanical equipment; Sales of electrical and mechanical equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic specialized equipment; Sales of power electronic components; Manufacturing of intelligent instruments and meters; Intelligent basic manufacturing equipment manufacturing; Manufacturing of metal forming machine tools; Sales of metal forming machine tools; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized electrical and mechanical equipment; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Mechanical equipment research and development; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of ecological environment materials; Sales of pipeline transportation equipment; Manufacturing of optoelectronic devices; Sales of optoelectronic devices; Manufacturing of other electronic devices; Manufacturing of electrical equipment; Sales of ecological environment 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: Phenolic Composite Air Duct, , Pp Washing Tower

TOP5
Yideshun Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2017-12-08
Registered Capital68880K CNY

Yideshun Technology Co., Ltd., with its registered address at Building 1, Xinxing Equipment Manufacturing Industrial Park, North Section of Zhongfei Avenue, Zhengpugang New Area, Ma'anshan City, Anhui Province, is registered with the Market Supervision and Administration Bureau of Modern Industrial Park, Zhengpugang New Area, Ma'anshan City. The legal representative is Li Haosheng, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing of metal structures; Sales of metal structures; Manufacturing of electrical accessories; Sales of electrical accessories; Operation of wires and cables; Retail of hardware products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building materials; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of metal materials; Sales of rubber products; Sales of insulation materials; Production of refractory materials; Sales of refractory materials; Manufacturing of cement products; Sales of cement products; Manufacturing of asbestos cement products; Sales of asbestos cement products; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized equipment for environmental protection; Import and export agency (except for licensed business, can independently operate projects that are not prohibited or restricted by laws and regulations) Licensed projects: construction projects (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses issued by relevant departments). Core products: Phenolic Composite Air Duct, Stainless Steel Air Duct, Check Valve

TOP6
Hebei Fuluosi Building Materials Group Co., Ltd
Overall Score4.6 / 5
Est. Date2014-10-16
Registered Capital109830K CNY

Hebei Fuluosi Building Materials Group Co., Ltd., with its registered address in Jindi New Technology Industrial Park, Dacheng Economic Development Zone, Hebei Province, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Wang Guocai, and its business scope includes the manufacturing and sales of insulation and sound insulation materials, lightweight building materials, building waterproofing membrane products, cement products, plastic products, sealing fillers (excluding hazardous chemicals), rubber products, and coatings (excluding hazardous chemicals); Production and sales of fireproof sealing materials and refractory materials; Sales of anti-corrosion materials and chemical products (excluding licensed chemical products); Retail of hardware products; Import and export of goods and technology; Construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Phenolic Composite Air Duct, Glass Wool Blanket , Aerogel Felt

TOP7
Langfang Longsheng Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2015-07-28
Registered Capital3000K CNY

Langfang Longsheng Environmental Protection Equipment Co., Ltd., with its registered address at Ligezhuang Village North, Zhaogezhuang Town, Wen'an County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Wen'an County, Langfang City. The legal representative is Yang Shibin, and the business scope includes manufacturing and selling waste gas treatment equipment, acid mist purification equipment, dust removal equipment, desulfurization equipment, oil fume purification equipment, organic waste gas purification equipment, sewage treatment equipment, electroplating equipment, spraying equipment, spiral ducts and accessories; Design and install ventilation ducts; Manufacturing and selling hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Phenolic Composite Air Duct, Pp Air Duct, Pvc Air Duct

TOP8
Langfang Xinwo Thermal Insulation Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2016-09-02
Registered Capital1000K CNY

Langfang Xinwo Thermal Insulation Materials Co., Ltd., with its registered address in Xiliugezhuang Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Gao Weice, and the business scope includes processing and sales of glass wool products, rubber products, extruded products, rock wool products, polyurethane boards, and aluminum silicate products; Sales: Chemical products (excluding dangerous drugs). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Phenolic Composite Air Duct, Aluminum Silicate, None

TOP9
Dezhou Haolin Air Conditioning Refrigeration Co., Ltd
Overall Score4.5 / 5
Est. Date2015-12-22
Registered Capital1820K CNY

Dezhou Haolin Air Conditioning Refrigeration Co., Ltd., registered at the intersection of Jinguang Avenue and Xinbo Road, Luquan Tun Town, Wucheng County, Dezhou City, Shandong Province, is located 50 meters north of the road west. The registration authority is the Market Supervision Administration of Wucheng County, and the legal representative is Wang Wenhai. The business scope includes general projects such as refrigeration and air conditioning equipment manufacturing; Sales of refrigeration and air conditioning equipment; Fan and fan manufacturing; Sales of fans and blowers; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of non-metallic minerals and products; Sales of insulation materials; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of metal products; Sales of metal chains and other metal products; Sales of electrical equipment; Sales of power electronic components; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Retail of hardware products; Sales of doors and windows; Wholesale of hardware products; Sales of mechanical parts and components. (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 civil air defense engineering protective equipment; Construction labor subcontracting. (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: Phenolic Composite Air Duct, Fresh Air Unit Series, Tall Space

TOP10
Langfang Bangjia Composite Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2020-12-16
Registered Capital6000K CNY

Langfang Bangjia Composite Materials Co., Ltd. is registered in Puta Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province. The registration authority is the Market Supervision Administration of Dacheng County, Langfang City, and the legal representative is Li Xuefang. The business scope includes general projects: manufacturing of thermal insulation and sound insulation materials; Sales of insulation and soundproofing materials; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Production of refractory materials; Sales of refractory materials; Manufacturing of plastic products; Sales of plastic products; Synthetic fiber manufacturing; Sales of synthetic fibers; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of industrial textile products; Sales of industrial textile products; Sales of insulation materials; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Import and export of goods. (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: Phenolic Composite Air Duct, Steel Faced Magnesium Composite Board, Steel Faced Magnesium Composite Air Duct

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Langfang Wanhui Thermal Insulation Materials Co., Ltd2024-02-19Phenolic Composite Air Duct, Polyurethane Board, Aerogel Felt1000K CNYNot Supported
Langfang Keli Er Chemical Building Materials Co., Ltd2007-05-17Phenolic Composite Air Duct, Polyphenolic Board For Tunnel Engineering, Customized Phenolic Board For Special Purposes50180K CNYNot Supported
Dacheng County Feiliu Air Conditioning Duct Manufacturing Factory2005-07-26Phenolic Composite Air Duct, Industrial Integrated Calcium Silicate Board, Phenolic Air Duct-Not Supported
Jiashi (Taizhou) Environmental Protection Technology Co., Ltd2017-05-16Phenolic Composite Air Duct, , Pp Washing Tower1000K CNYNot Supported
Yideshun Technology Co., Ltd2017-12-08Phenolic Composite Air Duct, Stainless Steel Air Duct, Check Valve68880K CNYNot Supported
Hebei Fuluosi Building Materials Group Co., Ltd2014-10-16Phenolic Composite Air Duct, Glass Wool Blanket , Aerogel Felt109830K CNYNot Supported
Langfang Longsheng Environmental Protection Equipment Co., Ltd2015-07-28Phenolic Composite Air Duct, Pp Air Duct, Pvc Air Duct3000K CNYSupported
Langfang Xinwo Thermal Insulation Materials Co., Ltd2016-09-02Phenolic Composite Air Duct, Aluminum Silicate, None1000K CNYNot Supported
Dezhou Haolin Air Conditioning Refrigeration Co., Ltd2015-12-22Phenolic Composite Air Duct, Fresh Air Unit Series, Tall Space1820K CNYNot Supported
Langfang Bangjia Composite Materials Co., Ltd2020-12-16Phenolic Composite Air Duct, Steel Faced Magnesium Composite Board, Steel Faced Magnesium Composite Air Duct6000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of phenolic composite air ducts, it is recommended to prioritize confirming key technical parameters such as thickness, density, and fire rating of the ducts to ensure their suitability for the pressure and insulation requirements of specific ventilation systems.
  • Phenolic composite air ducts are widely used in commercial buildings, hospitals, and laboratories that require high cleanliness. When purchasing, models with corresponding moisture-proof or antibacterial properties can be selected based on the specific usage environment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to ensure supply stability.
  • When purchasing in large spaces such as industrial plants, attention should be paid to the length specifications and connection methods of the air ducts to avoid problems such as reduced installation efficiency or insufficient sealing due to size discrepancies.

Knowledge Base

Q

Phenolic composite air ducts are widely selected in the field of ventilation ducts, mainly based on their advantages in insulation performance, fire safety, durability, environmental friendliness, lightweight convenience, and comprehensive economy. The analysis is as follows: 1. Excellent insulation performance Low thermal conductivity: the thermal conductivity of phenolic foam is generally about 0.022 W/(m · K), far lower

Q

Phenolic composite air duct for air conditioning insulation is a kind of material commonly used in air conditioning and ventilation system, which is composed of phenolic foam plate and aluminum foil. It has the following characteristics: excellent insulation performance, excellent noise reduction performance, light weight, long service life, easy installation, hygiene and safety. However, phenolic composite air ducts also have some usage limitations, such as powder core material

Q

Phenolic composite air duct is a kind of lightweight, fireproof and thermal insulation duct material, which is composed of phenolic foam sandwich and metal or non-metallic surface. This article provides a detailed analysis of its material composition, core characteristics (such as fire rating and thermal conductivity), application scenarios (such as commercial buildings and hospitals), and compares the advantages and disadvantages of other duct materials, providing data support and practical suggestions.

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