Updated Jul 17, 2026 · Public platform & industry data

Jul 17, 2026 Updated

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2026 Top 10 Insulating Sleeve Manufacturers in China

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

The top 10 Insulating Sleeve manufacturers in China for 2026 are: Jining Huaguan Safety Equipment Co., Ltd, Yanshan Shangchi Pipeline Co., Ltd, Shenzhen Dankai Technology Co., Ltd, Yueqing LeBian New Materials Co., Ltd, Shenzhen Wo'er Nuclear Materials Co., Ltd, Wujiang Huading Heat Shrinkable Products Co., Ltd, Hebei Weite Electric Co., Ltd, Zhengzhou Benfu Electromechanical Equipment Co., Ltd, Zhongshan Huiyuan Electronic Technology Co., Ltd, Nanjing Feijia Electrical Insulation 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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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 Score4.9 / 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: Insulating Sleeve, Mining Machinery, General Equipment Manufacturing

Top 2
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Yanshan Shangchi Pipeline Co., Ltd
Overall Score4.7 / 5
Est. Date2010-11-04
Registered Capital2000K CNY

Yanshan Shangchi Pipeline Co., Ltd., with its registered address located in Puwacheng Industrial Development Zone, Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Dou Lanfen. Its business scope includes the production of spiral steel pipes, straight seam steel pipes, seamless steel pipes, and petroleum casings, as well as the processing of 3PE anti-corrosion steel pipes, polyurethane insulation steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, plastic coated composite pipes, non-toxic drinking water steel pipes, heavy protection bimetallic bridge protection pipes, hot-dip plastic cable threading protection pipes, fire protection coated steel pipes, epoxy resin composite steel pipes for coal mines, pipeline pipes, insulation pipes, alloy pipes, stainless steel pipes, pipe fittings, anti-corrosion insulation materials, and pipeline equipment accessories; Sales of pipes, plates, wires, and steel materials; To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical equipment, spare parts, raw materials and technologies required by our enterprise, except for goods and technologies 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: Insulating Sleeve, Hanger Bracket, Epoxy Coal Tar Anti-Corrosion Steel Pipe

Top 3
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Shenzhen Dankai Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2011-01-24
Registered Capital5000K CNY

Shenzhen Dankai Technology Co., Ltd., with its registered address located in Block B, Building 1, North Yongfa Science and Technology Park, Chuandong Industrial Zone, Yanchuan Chaoyang Road, Yanluo Street, Bao'an District, Shenzhen, is registered with the Shenzhen Municipal Administration for Market Regulation. The legal representative is Fu Jianhui, and the business scope includes PTFE pipes Research and sales of fluoroplastic sleeves such as PFA pipes, FEP pipes, PVDF pipes, fluorine lined pipeline fittings, fluorine lined valves, insulation materials, plastic products, polymer materials, metal products, glass fiber products, Class II medical devices and components, chemical products (excluding hazardous chemicals, precursor chemicals, and finished oil), PTFE pipe series products, plastic products, hardware products, rubber and plastic machinery, electromechanical equipment, instruments and meters, hardware products, electronic products, electronic components, electrical equipment, heat exchangers, sampling composite pipes, special cables, chemical raw materials (excluding hazardous chemicals and precursor chemicals); Installation of complete equipment engineering; Domestic trade, engaged in import and export business. ^Production of fluoroplastic sleeves such as PTFE pipes, PFA pipes, FEP pipes, PVDF pipes, fluorine lined pipe fittings, fluorine lined valves, insulation materials, plastic products, polymer materials, metal products, fiberglass products, Class II medical devices and components, and chemical products (excluding hazardous chemicals, precursor chemicals, and finished oil). Core products: Insulating Sleeve, Transparent Ptfe Tube, Conventional Tube

TOP4
Yueqing LeBian New Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2008-01-21
Registered Capital30800K CNY

Yueqing LeBian New Materials Co., Ltd., registered in Zhangnan Village, Yanpen Street, Yueqing City, Wenzhou City, Zhejiang Province, with the registration authority of Yueqing Market Supervision Administration and the legal representative of Zhang Guosheng, operates in the sales of heat shrink materials, cold shrink materials, and chemical products (excluding dangerous goods); Processing and sales of cable accessories, plastic parts, and electrical accessories. (For licensed production and operation, valid certificates are required for production and operation). Core products: Insulating Sleeve, Cable Ties With Wires And Cables, Silicone Rubber Insulation Cover

TOP5
Shenzhen Wo'er Nuclear Materials Co., Ltd
Overall Score4.6 / 5
Est. Date1998-06-19
Registered Capital1.259898562e+06K CNY

Shenzhen Wo'er Nuclear Materials Co., Ltd., registered at Wo'er Industrial Park, Lanjing North Road, Longtian Street, Pingshan District, Shenzhen, with the Shenzhen Market Supervision Administration as the registration authority and Zhou Heping as the legal representative, engages in general business activities including the purchase and sale of chemical products, high-voltage electrical equipment, copper aluminum connecting pipes, battery separators, rubber new materials, raw and auxiliary materials, products, and circuit protection components (excluding exclusive, controlled, or restricted goods); Investing in wind power projects; Engage in import and export business (excluding projects prohibited by laws, administrative regulations, and decisions of the State Council, and projects restricted must obtain a license before operation); Research and integration of high-end control and automation equipment; Our company provides consultation on the installation, maintenance, and related technologies of our products, as well as the purchase and sale of high and low voltage transmission and distribution equipment. Licensed business projects: technical development, production, and sales of heat shrink materials, cold shrink materials, flame retardant materials, insulation materials, high-temperature and corrosion-resistant new materials, sleeves, cable accessories, cable branch boxes, heat shrink electronic wires and power connection wires, environmentally friendly high-temperature radiation cables, organic silicon cables, organic fluorine cables, heat shrink material production auxiliary equipment, communication products and equipment, production and manufacturing of high and low voltage transmission and distribution equipment, research and development, production, and sales of power fittings; Production and sales of insulation waterproof packaging materials, electrical materials, waterproof coatings, boards, engineering plastics, plumbing equipment, plastic pipes and accessories.. Core products: Insulating Sleeve, Cable Accessories,

TOP6
Wujiang Huading Heat Shrinkable Products Co., Ltd
Overall Score4.5 / 5
Est. Date2001-02-21
Registered Capital35500K CNY

Wujiang Huading Heat Shrinkable Products Co., Ltd., with its registered address at Jinwu Road, Jinjiaba, registered with the Wujiang District Administrative Approval Bureau of Suzhou City, and represented by Shen Lianghua as its legal representative, operates in the manufacturing and processing of telecommunications, cable accessories, and heat shrink products; Sales of cold shrink cable accessories, cold shrink adhesive, cable protection tubes, cable junction boxes, power cables, wires, power fittings, terminal blocks, power safety tools, fire-resistant materials, hardware tools, high and low voltage electrical switches, personal protective equipment, complete sets of power equipment, and porcelain insulators; Power technology research and development, technical services; Electric power engineering; Installation of high and low voltage water and electricity; Undertake installation, maintenance, and testing of power supply and receiving facilities. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sleeve, Single Core Intermediate Joint, Cable Accessories

TOP7
Hebei Weite Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2012-07-10
Registered Capital20000K CNY

Hebei Weite Electric Co., Ltd., with its registered address in Dayangzhuang, Wuqiang County, registered with the Market Supervision and Administration Bureau of Wuqiang County, Hengshui City, and represented by Duan Bingbing as its legal representative. Its business scope includes the production and sales of copper materials, transformer accessories, hardware products, instruments and meters, mechanical equipment, and electrical equipment; Sales of electric porcelain and insulation materials; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (Prohibited by laws and regulations shall not be operated, and those that require approval shall not be operated without approval). Core products: Insulating Sleeve, Transformer Bushing, Transformer Accessories

TOP8
Zhengzhou Benfu Electromechanical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2021-11-19
Registered Capital1000K CNY

Zhengzhou Benfu Electromechanical Equipment Co., Ltd., registered at Room 1907, Building B, Jinhe Business Center, Bihe Road, Lianhua Street, High tech Industrial Development Zone, Zhengzhou City, Henan Province, registered with the Market Supervision and Administration Bureau of Zhengzhou High tech Industrial Development Zone, with Xia Ankang as the legal representative. Its business scope includes general projects: sales of electrical equipment; Electrical equipment repair; Sales of high-performance sealing materials; Operation of wires and cables; Sales of security equipment; Sales of power electronic components; Wholesale of hardware products; Retail of hardware products; Information technology consulting services; Sales of daily necessities; Sales of instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of experimental analytical instruments; Sales of signs for transportation and public management; Maintenance of transportation facilities; Sales of chemical products (excluding licensed chemical products); Sales of paper products; Sales of packaging materials and products; Sales of office supplies; Sales of office equipment and consumables; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of labor protection equipment; Sales of mechanical and electrical equipment; Sales of synthetic materials; Sales of plastic products; Sales of rubber products; Sales of sealing fillers (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Electrical installation services (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments). Core products: Insulating Sleeve, 3M Cable Head, Supporting Cable Outer Protection

TOP9
Zhongshan Huiyuan Electronic Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2020-09-24
Registered Capital1000K CNY

Zhongshan Huiyuan Electronic Technology Co., Ltd., with its registered address at one of the first floors of No. 16, Jiuzhou Jifengzhuo Street, Xiaolan Town, Zhongshan City (registered address application), is registered with the Zhongshan Market Supervision Administration, and its legal representative is Li Haiqing. Its business scope includes technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of electronic components; Wholesale of electronic components; Retail of electronic components; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of lighting fixtures; Sales of lighting fixtures; Manufacturing of semiconductor lighting devices; Sales of semiconductor lighting devices; Sales of solar thermal power generation products; Sales of solar thermal utilization products; Sales of solar thermal power generation equipment; Manufacturing of electrical equipment; Sales of electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sleeve, Heat Shrink Tubing, Moisture Proof Electrical Wire Connection

TOP10
Nanjing Feijia Electrical Insulation Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2018-12-19
Registered Capital2000K CNY

Nanjing Feijia Electrical Insulation Materials Co., Ltd., with its registered address at Room 2357, Building A1, No. 216 Pu Liu North Road, Getang Street, Jiangbei New District, Nanjing City. The registration authority is the Administrative Approval Bureau of Nanjing Jiangbei New District Management Committee, and the legal representative is Ji Yefei. Its business scope includes the sales of insulation materials, dust removal bags, rubber products, ceramic ignition needles, wires and cables, insulators, and lighting equipment; Thin film, instrumentation, electric heating appliances, dense bus ducts, sliding contact wires, cable trays, processing, manufacturing, and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General project: Manufacturing of mica products; Sales of mica products; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Manufacturing of engineering plastics and synthetic resins; Sales of engineering plastics and synthetic resins; Manufacturing of non-metallic mineral products; Sales of metal based composite materials and ceramic based composite materials; Production of refractory materials; Sales of refractory materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (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). Core products: Insulating Sleeve, Epoxy Pad, Mica Tape

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jining Huaguan Safety Equipment Co., Ltd2023-06-07Insulating Sleeve, Mining Machinery, General Equipment Manufacturing100K CNYNot Supported
Yanshan Shangchi Pipeline Co., Ltd2010-11-04Insulating Sleeve, Hanger Bracket, Epoxy Coal Tar Anti-Corrosion Steel Pipe2000K CNYSupported
Shenzhen Dankai Technology Co., Ltd2011-01-24Insulating Sleeve, Transparent Ptfe Tube, Conventional Tube5000K CNYNot Supported
Yueqing LeBian New Materials Co., Ltd2008-01-21Insulating Sleeve, Cable Ties With Wires And Cables, Silicone Rubber Insulation Cover30800K CNYNot Supported
Shenzhen Wo'er Nuclear Materials Co., Ltd1998-06-19Insulating Sleeve, Cable Accessories, 1.259898562e+06K CNYNot Supported
Wujiang Huading Heat Shrinkable Products Co., Ltd2001-02-21Insulating Sleeve, Single Core Intermediate Joint, Cable Accessories35500K CNYNot Supported
Hebei Weite Electric Co., Ltd2012-07-10Insulating Sleeve, Transformer Bushing, Transformer Accessories20000K CNYNot Supported
Zhengzhou Benfu Electromechanical Equipment Co., Ltd2021-11-19Insulating Sleeve, 3M Cable Head, Supporting Cable Outer Protection1000K CNYNot Supported
Zhongshan Huiyuan Electronic Technology Co., Ltd2020-09-24Insulating Sleeve, Heat Shrink Tubing, Moisture Proof Electrical Wire Connection1000K CNYNot Supported
Nanjing Feijia Electrical Insulation Materials Co., Ltd2018-12-19Insulating Sleeve, Epoxy Pad, Mica Tape2000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of insulation sleeves, it is recommended to first clarify key parameters such as voltage rating, inner diameter size, and material type. For example, the power industry needs to pay attention to flame retardant performance, while automotive wiring harnesses focus on flexibility.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support to ensure supply stability and product reliability.
  • Insulation sleeves used in chemical equipment or high-temperature environments require additional verification of corrosion resistance and temperature range to avoid insulation failure due to medium characteristics.
  • The demand for insulation sleeves varies greatly in different scenarios. For example, building wiring focuses on installation convenience, while industrial motors pay more attention to long-term wear resistance. When purchasing, specific working conditions should be considered for selection.

Knowledge Base

Q

This article analyzes the classification and selection points of insulation sleeves, from material characteristics to application scenarios, to help readers quickly find suitable insulation solutions and avoid safety hazards caused by improper selection.

Q

This article focuses on the manufacturers of heat shrink insulation sleeve machines, including Shenzhen Nuoyuan Automation Equipment Co., Ltd., Jiangsu Feige Youlian Machinery Co., Ltd., Shanghai Shengbiao Electronics Co., Ltd., and Shenzhen Hongzhan Technology Co., Ltd

Q

The PTFE insulation sleeve on the inductor is a common protective sleeve in electronic components. It is generally tubular in shape and insulated with PTFE material inside, suitable for protection and insulation in inductor circuits. This article will provide a detailed introduction to the characteristics, uses, and selection methods of using PTFE insulated sleeves on inductors.

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