Updated Aug 29, 2026 · Public platform & industry data

Aug 29, 2026 Updated

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2026 Top 10 Graphite Extruded Board Manufacturers in China

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Top-rated Graphite Extruded Board suppliers, How to choose a Graphite Extruded Board manufacturer, Best Graphite Extruded Board companies in China

The top 10 Graphite Extruded Board manufacturers in China for 2026 are: Xinji Qingshina New Material Technology Co., Ltd, Sanyi (Yutian) New Material Technology Co., Ltd, Xinyang Chengxi Thermal Insulation Materials Co., Ltd, Beijing Weichi Thermal Insulation Materials Co., Ltd, Tangshan Zhixing Thermal Insulation Materials Co., Ltd, Langfang Eastern European New Building Materials Co., Ltd, Langfang Jiuheng Energy saving Technology Co., Ltd, Langfang Ningyu Thermal Insulation Materials Co., Ltd, Langfang Shujun Energy saving Technology Co., Ltd, Langfang Rongche New Building 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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Xinji Qingshina New Material Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2022-10-18
Registered Capital1000K CNY

Xinji Qingshina New Material Technology Co., Ltd. is located in the west of Nanlu Village, Zhangguzhuang Town, Xinji City, Hebei Province (320 meters north of Nanlu Village Bridge). It was established on October 18, 2022, with the registration authority of Xinji Market Supervision Administration and the legal representative being Yao Jin. Core products: Graphite Extruded Board, Graphite Extruded Polystyrene Board, Foam Forming Machine

Top 2
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Sanyi (Yutian) New Material Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2018-02-08
Registered Capital23188K CNY

San Yi (Yutian) New Material Technology Co., Ltd., with its registered address at Houhu Industrial Park, Yutian Economic Development Zone, Yutian County, Tangshan City, Hebei Province, is registered with the Yutian County Market Supervision Administration Bureau and represented by Huang Zhanfeng. Its business scope includes general projects such as research and development of new material technology; Promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Sales of insulation materials; Paint manufacturing (excluding hazardous chemicals); Sales of coatings (excluding hazardous chemicals); Manufacturing of metal structures; Sales of metal structures; Manufacturing of asbestos products; Sales of asbestos products; Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of plastic products; Sales of plastic products; Manufacturing of cement products; Sales of cement products; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Low temperature storage (excluding projects requiring approval such as hazardous chemicals). (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: 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. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Graphite Extruded Board, Foam Board, Polystyrene Board

Top 3
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Xinyang Chengxi Thermal Insulation Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2009-06-11
Registered Capital1000K CNY

Xinyang Chengxi Thermal Insulation Materials Co., Ltd., with its registered address in Shibali Village, Pingqiao Town, Xinyang City, is registered with the Market Supervision and Administration Bureau of Pingqiao District, Xinyang City. The legal representative is Leng Xiaolin, and its business scope includes general projects such as insulation and sound insulation material manufacturing; Manufacturing of lightweight building materials; Manufacturing of cement products; Sales of lightweight building materials; Sales of insulation and soundproofing materials; Sales of cement products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Information consulting services (excluding licensed information consulting services); Industrial engineering design services; Sales of building materials; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Import and export of goods; Technology import and export; Import and export agency (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Graphite Extruded Board, Inorganic Insulation Mortar, Perlite Insulation Pipe

TOP4
Beijing Weichi Thermal Insulation Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2024-02-02
Registered Capital1000K CNY

Beijing Weichi Thermal Insulation Materials Co., Ltd., registered at No. 18-27938 Jianshe Road, Kaixuan Street, Liangxiang, Fangshan District, Beijing (cluster registration), registered with the Market Supervision and Administration Bureau of Fangshan District, Beijing. The legal representative is Liu Juntao, and the business scope includes general projects: sales of thermal insulation materials; Sales of building materials; Sales of metal materials; Retail of hardware products; Sales of mechanical equipment; Sales of plastic products; Sales of cement products; Sales of building waterproofing membrane products; Sales of insulation and soundproofing materials; Construction of earthwork engineering; Construction of landscaping and greening projects. (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 according to law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) (Business activities that are prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Graphite Extruded Board, Slotted Extruded Board, Polystyrene Board

TOP5
Tangshan Zhixing Thermal Insulation Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2023-03-01
Registered Capital1000K CNY

Tangshan Zhixing Thermal Insulation Materials Co., Ltd. is registered at Room 269, Building B, Yinshui Building, Jia'anzi Village, Zhengzhuangzi Town, Kaiping District, Tangshan City, Hebei Province. The registration authority is the Market Supervision Administration of Kaiping District, Tangshan City, and the legal representative is Liu Juntao. The business scope includes licensed projects such as construction projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: sales of insulation materials; Sales of building materials; Sales of metal materials; Retail of hardware products; Sales of mechanical equipment; Sales of plastic products; Sales of cement products; Sales of building waterproofing membrane products; Sales of insulation and soundproofing materials; Construction of earthwork engineering; Construction of landscaping and greening projects. (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: Graphite Extruded Board, Rock Wool Board, Polystyrene Board

TOP6
Langfang Eastern European New Building Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2019-12-05
Registered Capital500K CNY

Langfang Eastern European New Building Materials Co., Ltd., with its registered address in Zhangyanma Village, Zangtun Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Liu Hao, and its business scope includes general projects such as the manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of cement products; Sales of cement products; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Fastener manufacturing; Sales of fasteners; Manufacturing of artificial boards; Sales of artificial boards; Manufacturing of plastic products; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Sales of high-performance non-ferrous metals and alloy materials; Sales of insulation materials; Sales of fireproof sealing materials; Sales of anti-corrosion materials; Sales of building materials; Sales of building waterproofing membrane products; Sales of sealing fillers; Sales of synthetic materials. (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: Graphite Extruded Board, Thermal Insulation Bubble Film, Vacuum Board

TOP7
Langfang Jiuheng Energy saving Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2024-09-09
Registered Capital500K CNY

Langfang Jiuheng Energy saving Technology Co., Ltd., with its registered address in Niangniangzhuang Village, Litan Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Wu Fajie, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building materials; Sales of fireproof sealing materials; Production of fireproof sealing materials; Production of refractory materials; Sales of refractory materials; Manufacturing of sealing fillers; Sales of sealing fillers; Sealing component manufacturing; Sales of seals; Sales of high-performance sealing materials; Sales of coatings (excluding hazardous chemicals); Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of fiberglass and related products; Manufacturing of technical glass products; Manufacturing of cement products; Sales of cement products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of asbestos products; Sales of asbestos products; Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Sales of insulation materials; Sales of anti-corrosion materials; Sales of chemical products (excluding licensed chemical products); Internet sales (except for the sale of goods that need to be licensed); Rubber product manufacturing; Sales of rubber products; Sales of metal products. (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; Construction professional operations; 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. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Graphite Extruded Board, Fiberglass Needled Mat , Extruded Polystyrene Board

TOP8
Langfang Ningyu Thermal Insulation Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2018-10-25
Registered Capital10000K CNY

Langfang Ningyu Thermal Insulation Materials Co., Ltd. is registered in Jiujianfang Village, Zangtun Township, 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 Jianwei. The business scope includes general projects: manufacturing of thermal insulation and sound insulation materials; Sales of insulation and soundproofing materials; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Manufacturing of cement products; Sales of cement products; Manufacturing of sealing fillers; Sales of sealing fillers; Production of fireproof sealing materials; Sales of fireproof sealing materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of industrial textile products; Sales of industrial textile products; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Paint manufacturing (excluding hazardous chemicals); Sales of coatings (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Sales of anti-corrosion materials; Sales of insulation materials; Import and export of goods; Retail of hardware products; Sales of metal materials; Sales of metal products; Sales of building materials; Sales of building decoration materials; Sales of engineering plastics and synthetic resins; Sales of seals; Sales of asbestos products. (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 professional operations; 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: Graphite Extruded Board, Phenolic Board, Rock Wool Board

TOP9
Langfang Shujun Energy saving Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2022-07-20
Registered Capital3000K CNY

Langfang Shujun Energy saving Technology Co., Ltd., with its registered address in Qianyan Village, Quancun Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Sun Yu, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of plastic products; Sales of plastic products; Production of fireproof sealing materials; Sales of fireproof sealing materials; Production of refractory materials; Sales of refractory materials; Manufacturing of sealing fillers; Sales of sealing fillers; Rubber product manufacturing; Sales of rubber products; Sales of insulation materials; Sales of chemical products (excluding licensed chemical products); Sales of synthetic materials; Sales of high-performance sealing materials; Sales of seals; Sales of synthetic fibers; Sales of building waterproofing membrane products; Retail of hardware products. (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; Professional construction work. (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: Graphite Extruded Board, Thermal Insulation Material Rubber Sheet, Glass Wool Blanket

TOP10
Langfang Rongche New Building Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2023-06-29
Registered Capital3000K CNY

Langfang Rongche New Building Materials Co., Ltd. is registered in Xiwangxiang Village, Pingshu 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 Zheng Dongdong. The business scope includes general projects: manufacturing of insulation and sound insulation materials; Sales of insulation and soundproofing materials; Sales of insulation materials; Sales of plastic products; Sales of fireproof sealing materials; Sales of cement products; Sales of coatings (excluding hazardous chemicals); Sales of metal structures; Sales of anti-corrosion materials; Sales of lightweight building materials; Sales of building waterproofing membrane products; Sales of refractory materials; Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Mechanical equipment leasing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Import and export agency; Trade brokers; Domestic trade agency (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law) License project: residential interior decoration and renovation; Construction project construction; Construction labor subcontracting; Construction professional operations (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 permits). Core products: Graphite Extruded Board, Foam Glass, Built In Insulation Structure Integrated Board

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Xinji Qingshina New Material Technology Co., Ltd2022-10-18Graphite Extruded Board, Graphite Extruded Polystyrene Board, Foam Forming Machine1000K CNYNot Supported
Sanyi (Yutian) New Material Technology Co., Ltd2018-02-08Graphite Extruded Board, Foam Board, Polystyrene Board23188K CNYNot Supported
Xinyang Chengxi Thermal Insulation Materials Co., Ltd2009-06-11Graphite Extruded Board, Inorganic Insulation Mortar, Perlite Insulation Pipe1000K CNYNot Supported
Beijing Weichi Thermal Insulation Materials Co., Ltd2024-02-02Graphite Extruded Board, Slotted Extruded Board, Polystyrene Board1000K CNYNot Supported
Tangshan Zhixing Thermal Insulation Materials Co., Ltd2023-03-01Graphite Extruded Board, Rock Wool Board, Polystyrene Board1000K CNYNot Supported
Langfang Eastern European New Building Materials Co., Ltd2019-12-05Graphite Extruded Board, Thermal Insulation Bubble Film, Vacuum Board500K CNYNot Supported
Langfang Jiuheng Energy saving Technology Co., Ltd2024-09-09Graphite Extruded Board, Fiberglass Needled Mat , Extruded Polystyrene Board500K CNYSupported
Langfang Ningyu Thermal Insulation Materials Co., Ltd2018-10-25Graphite Extruded Board, Phenolic Board, Rock Wool Board10000K CNYNot Supported
Langfang Shujun Energy saving Technology Co., Ltd2022-07-20Graphite Extruded Board, Thermal Insulation Material Rubber Sheet, Glass Wool Blanket 3000K CNYNot Supported
Langfang Rongche New Building Materials Co., Ltd2023-06-29Graphite Extruded Board, Foam Glass, Built In Insulation Structure Integrated Board3000K CNYNot Supported

Purchasing Guide

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

  • For procurement needs that require the use of graphite extruded polystyrene boards, it is recommended to prioritize the confirmation of key technical parameters such as thermal conductivity and compressive strength, which directly affect the application effectiveness of building insulation or cold chain warehousing scenarios.
  • When selecting suppliers, reference can be made to standards such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support to ensure supply stability and product reliability.
  • The performance of graphite extruded polystyrene board varies greatly in low-temperature cold storage and roof insulation scenarios. Before procurement, the thickness and density specifications need to be clearly defined according to the specific usage environment.
  • When evaluating suppliers, it is recommended to combine industry platform statistical information and focus on enterprises that have long been dedicated to the field of insulation materials. Their product adaptability and technical experience are usually more advantageous.

Knowledge Base

Q

Graphite extruded polystyrene board has indeed gained widespread recognition in the market due to its excellent performance. The thermal conductivity of this board can reach a minimum of 0.0216 W/(m · K), making it excellent in terms of insulation effect. In addition, graphite extruded polystyrene board also has good dimensional stability, compressive strength, and flame retardant properties, especially suitable for large-scale cold storage projects.

Q

1. Density and thickness High density extruded polystyrene board (such as 35kg/m ³ or above) has strong compressive strength and is suitable for underfloor heating insulation or roof load-bearing scenarios. Its price is 30% -50% higher than ordinary density (20-30kg/m ³). The common thickness is 2cm-10cm, and the cost increases by about 5-8 yuan per additional 1cm. For example, the price of a 5cm thick plate is about 3cm

Q

The flame retardant principle of graphite extruded board mainly involves the added flame retardants and the characteristics of graphite itself. When producing graphite extruded boards, an appropriate amount of flame retardant is added. These flame retardants undergo a series of chemical reactions when exposed to a fire source, thereby playing a role in flame retardancy. Some flame retardants will produce non combustible gases such as carbon dioxide, nitrogen, etc. when decomposed by heat.

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