Updated Sep 16, 2026 · Public platform & industry data

Sep 16, 2026 Updated

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2026 Top 10 High Temperature Sealing Gasket Manufacturers in China

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Top-rated High Temperature Sealing Gasket suppliers, How to choose a High Temperature Sealing Gasket manufacturer, Best High Temperature Sealing Gasket companies in China

The top 10 High Temperature Sealing Gasket manufacturers in China for 2026 are: Changzhou Hill Sealing Technology Co., Ltd, Jining Huaguan Safety Equipment Co., Ltd, Jingxian Nuotu Rubber Products Factory (Individual Industrial and Commercial Household), Hebei Qunyao Rubber Products Co., Ltd, Shanghai Pingnai Steel Belt Equipment Co., Ltd, Langfang Yuankun Sealing Materials Co., Ltd, Shanghai Changfan Stainless Steel Co., Ltd, Beiguan Xinchang Sealing Material Sales Department, Dacheng County, Dongguan Qianlong Electronic Products Co., Ltd, Jiashan Xinze Bearing Factory. 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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Changzhou Hill Sealing Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2017-02-24
Registered Capital1000K CNY

Changzhou Hill Sealing Technology Co., Ltd. is registered at Room 302, Building 3, No. 24 Fengqi Road, Wujin National High tech Industrial Development Zone. The registration authority is the Wujin District Administrative Approval Bureau of Changzhou City, and the legal representative is Xu Binhui. The business scope includes the research and development of sealing products; Manufacturing and sales of automotive spare parts; Sales of sealing materials, plastic products, rubber products, instruments and meters, electronic products, hardware products, electromechanical products, and daily necessities; The import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies that are restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: High Temperature Sealing Gasket, High Temperature Resistant Rubber Strip, Gasket

Top 2
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Jining Huaguan Safety Equipment Co., Ltd

The second room on the west side of Jianshe North Road and Renxing Avenue South Road in Liying Street, Rencheng District, Jining City, Shandong Province

Overall Score4.7 / 5
Est. Date2023-06-07
Registered Capital100K CNY

Jining Huaguan Safety Equipment Co., Ltd. is located in the second room west of Jianshe North Road and Renxing Avenue Xiangnan Road, Liying Street, Rencheng District, Jining City, Shandong Province. It was established on June 7, 2023, with the registration authority of Rencheng District Market Supervision Administration of Jining City and the legal representative being Chen Beihu. Core products: High Temperature Sealing Gasket

Top 3
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Jingxian Nuotu Rubber Products Factory (Individual Industrial and Commercial Household)
Overall Score4.7 / 5
Est. Date2026-04-16
Registered Capital-

Jingxian Nuotu Rubber and Plastic Products Factory (individual business), located at No. 104 Beitun Village, Duqiao Town, Jingxian County, Hengshui City, was established on April 16, 2026. The registration authority is Jingxian Market Supervision Administration Bureau, and the legal representative is Wang Gang. Core products: High Temperature Sealing Gasket

TOP4
Hebei Qunyao Rubber Products Co., Ltd
Overall Score4.6 / 5
Est. Date2021-01-04
Registered Capital3000K CNY

Hebei Qunyao Rubber and Plastic Products Co., Ltd., with its registered address in Zhuhe, Fuhe River Town, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision Administration Bureau. The legal representative is Liu Lihao, and its business scope includes the manufacturing of rubber sheets, pipes, and belts. Production and sales: rubber products, rubber shock absorbers, rubber seals, high and low pressure hose assemblies, rubber soft connections, metal hoses, compensators, polyurethane products, plastic products, nylon products, mold manufacturing, mechanical parts, mechanical processing * * (Business activities that require approval by relevant departments according to law can only be carried out after approval by relevant departments). Core products: High Temperature Sealing Gasket, Rubber Seal, Rubber Tube, Steel Wire Rubber Tube

TOP5
Shanghai Pingnai Steel Belt Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2015-01-15
Registered Capital1000K CNY

Shanghai Pingnai Steel Belt Equipment Co., Ltd. is registered at Room 8056, No. 1112 Hanggui Road, Jiading District, Shanghai. The registration authority is Jiading District Market Supervision Bureau, and the legal representative is Wang Mouguo. The business scope includes the sales of steel belt equipment, steel belts, mechanical equipment, hardware and electrical equipment, metal materials, building materials, and electromechanical equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: High Temperature Sealing Gasket, Material Conveying Equipment,

TOP6
Langfang Yuankun Sealing Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2017-11-21
Registered Capital2000K CNY

Langfang Yuankun Sealing Materials Co., Ltd. is registered in Liuguxian Village, Zangtun Township, Dacheng County, Langfang City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Dacheng County, Langfang City, and the legal representative is Xue Pengkun. The business scope includes the production and sales of polytetrafluoroethylene products, packing roots, rubber products, graphite products, metal pads and sheets, biomass pellet combustion machines, packaging machines, cement foam products, silicon board equipment, non dismantling template equipment, and packaging machines; Sales: asbestos products, fiberboard, mats, fireproof materials, insulation materials, chemical products (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: High Temperature Sealing Gasket, Ptfe Envelope Gasket , Silicone Rubber Gasket

TOP7
Shanghai Changfan Stainless Steel Co., Ltd
Overall Score4.5 / 5
Est. Date2009-11-26
Registered Capital500K CNY

Shanghai Changfan Stainless Steel Co., Ltd. is registered at Room J495, 1st Floor, Building 1, No. 6988 Jiasong North Road, Jiading District, Shanghai. The registration authority is Jiading District Market Supervision Bureau, and the legal representative is Huang Dongmei. The business scope includes the sales of stainless steel materials, metal materials, hardware and electrical equipment, rubber and plastic products, building materials, electromechanical equipment, and electronic products, the design and installation of stainless steel products, and the installation of mechanical equipment (except for special equipment). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: High Temperature Sealing Gasket, Perforated Adsorption Steel Strip, Stainless Steel Mesh Belt

TOP8
Beiguan Xinchang Sealing Material Sales Department, Dacheng County
Overall Score4.5 / 5
Est. Date2020-08-28
Registered Capital-

The sales department of Xinchang Sealing Materials in Beiguan, Dacheng County, with its registered address at No. 18, Row 5, Special Offer Mall, Beiguan Village, Pingshu Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Ma Yonghan, and the business scope includes the sale of sealing materials, fireproof materials, and insulation materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: High Temperature Sealing Gasket, Seal, Ceramic Fiber Sealing Strip

TOP9
Dongguan Qianlong Electronic Products Co., Ltd
Overall Score4.4 / 5
Est. Date2009-03-09
Registered Capital3000K CNY

Dongguan Qianlong Electronic Products Co., Ltd., with its registered address at No. 328 Mayuan Road, Yuanjiang Yuan Village, Changping Town, Dongguan City, is registered with the Dongguan Market Supervision Administration. The legal representative is Ye Hanqing, and its business scope includes processing and production of electronic products, adhesive products, foot mats, sponge pads, insulation sheets, adhesive tapes, Velcro, and zip ties; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: High Temperature Sealing Gasket, Various Types Of Tape, Insulating Sheet

TOP10
Jiashan Xinze Bearing Factory
Overall Score4.3 / 5
Est. Date2012-04-13
Registered Capital300K CNY

Xinze Bearing Factory in Jiashan County, with its registered address at No. 17 Yuanbang, Changcun, Fanjing, Ganyao Town, Jiashan County. The registration authority is Jiashan County Market Supervision Administration, and the legal representative is Tian Maosheng. Its business scope includes production and sales; Bearing***. Core products: High Temperature Sealing Gasket, Stainless Steel Self-Lubricating Bearings, Bronze Bushing

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Changzhou Hill Sealing Technology Co., Ltd2017-02-24High Temperature Sealing Gasket, High Temperature Resistant Rubber Strip, Gasket1000K CNYSupported
Jining Huaguan Safety Equipment Co., Ltd2023-06-07High Temperature Sealing Gasket100K CNYNot Supported
Jingxian Nuotu Rubber Products Factory (Individual Industrial and Commercial Household)2026-04-16High Temperature Sealing Gasket-Supported
Hebei Qunyao Rubber Products Co., Ltd2021-01-04High Temperature Sealing Gasket, Rubber Seal, Rubber Tube, Steel Wire Rubber Tube3000K CNYSupported
Shanghai Pingnai Steel Belt Equipment Co., Ltd2015-01-15High Temperature Sealing Gasket, Material Conveying Equipment, 1000K CNYSupported
Langfang Yuankun Sealing Materials Co., Ltd2017-11-21High Temperature Sealing Gasket, Ptfe Envelope Gasket , Silicone Rubber Gasket2000K CNYSupported
Shanghai Changfan Stainless Steel Co., Ltd2009-11-26High Temperature Sealing Gasket, Perforated Adsorption Steel Strip, Stainless Steel Mesh Belt500K CNYSupported
Beiguan Xinchang Sealing Material Sales Department, Dacheng County2020-08-28High Temperature Sealing Gasket, Seal, Ceramic Fiber Sealing Strip-Supported
Dongguan Qianlong Electronic Products Co., Ltd2009-03-09High Temperature Sealing Gasket, Various Types Of Tape, Insulating Sheet3000K CNYSupported
Jiashan Xinze Bearing Factory2012-04-13High Temperature Sealing Gasket, Stainless Steel Self-Lubricating Bearings, Bronze Bushing300K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of high-temperature sealing gaskets, it is recommended to prioritize confirming key technical parameters such as temperature resistance range, pressure rating, and material compatibility to ensure compatibility with equipment operating conditions. For example, the petrochemical industry needs to pay attention to long-term creep resistance, while power equipment may focus on instantaneous high temperature resistance.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. Such suppliers can usually provide more stable solutions for high-temperature working conditions.
  • The performance requirements for sealing gaskets vary greatly in different application scenarios. For example, boiler systems need to consider thermal cycling tolerance, while chemical pipelines need to consider both corrosion resistance and sealing durability. The specific usage environment should be clarified before procurement.
  • The thickness and compression rate of high-temperature sealing gaskets directly affect the sealing effect. It is recommended to comprehensively evaluate the parameters such as flange surface roughness and bolt load to avoid leakage risks caused by improper selection.

Knowledge Base

Q

Conventional high-temperature sealing and standard ceramic fiber gaskets are ideal choices. It has excellent high temperature resistance and can work stably in high temperature environments, effectively ensuring sealing effect. Ceramic fiber gaskets have a soft texture and good flexibility, which can tightly fit various shapes of sealing surfaces, fill gaps, and prevent leakage. It has high chemical stability, strong corrosion resistance, and can resist various chemicals

Q

This article elaborates on the three mainstream material systems for valve sealing gaskets suitable for high temperature conditions, with a focus on analyzing the physical properties and engineering adaptability of metal alloys, graphite based and composite materials, and providing technical explanations of their typical application scenarios in petrochemical, energy and other fields.

Q

This article explores the high temperature resistance performance of sealing gaskets, analyzes the temperature resistance limits and application scenarios of different materials, and helps readers understand how to choose suitable sealing gaskets to cope with high temperature environments.

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