Updated Aug 4, 2026 · Public platform & industry data

Aug 4, 2026 Updated

English
title decor left

2026 Top 10 Insulating Sleeve Manufacturers in China Guangdong

title decor right

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 Guangdong for 2026 are: Shenzhen Dankai Technology Co., Ltd, Shenzhen Wo'er Nuclear Materials Co., Ltd, Zhongshan Huiyuan Electronic Technology Co., Ltd, Dongguan Nuoan Industrial Co., Ltd, Hongshengyuan (Dongguan) New Material Technology Co., Ltd, Shenzhen Dike Technology Development Co., Ltd, Shenzhen Jundingda New Materials Co., Ltd, Shenzhen Xinghongshun Technology Co., Ltd, Zhongshan Xingcheng Insulation Material Products Co., Ltd, Ruikan (Guangzhou) Cable Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

Collapse
Top 1
background image
Shenzhen Dankai Technology Co., Ltd
Overall Score4.9 / 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, Conventional Tube, Teflon Fluororubber Tube

Top 2
background image
Shenzhen Wo'er Nuclear Materials Co., Ltd
Overall Score4.7 / 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, Heat Shrink Tubing

Top 3
background image
Zhongshan Huiyuan Electronic Technology Co., Ltd
Overall Score4.7 / 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 Compression Waterproof Terminal, Heat Shrink Tubing

TOP4
Dongguan Nuoan Industrial Co., Ltd
Overall Score4.6 / 5
Est. Date2016-03-31
Registered Capital2000K CNY

Dongguan Nuoan Industrial Co., Ltd., with its registered address at No. 301, Oil Squeezing Front, Songbailang Village, Dalang Town, Dongguan City, is registered with the Dongguan Market Supervision Administration. The legal representative is Zeng Donghua, and its business scope includes general projects such as mechanical and electrical equipment manufacturing; Sales of mechanical equipment; Sales of mechanical and electrical equipment; Manufacturing of hardware products; Sales of metal products; Installation services for ordinary mechanical equipment; Mechanical equipment leasing; General equipment repair; Specialized equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Loading and unloading handling; Manufacturing of industrial textile products; Manufacturing of general components; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of anti-corrosion materials; Sales of electronic specialized materials; Manufacturing of electronic specialized materials; Manufacturing of electronic components; Sales of electronic components and electromechanical equipment; Manufacturing of power facilities and equipment; Operation of wires and cables; Manufacturing of lighting fixtures; Sales of lighting fixtures; Sales of clothing accessories. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: residential interior decoration and renovation; 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: Insulating Sleeve, Weaving High-Temperature Wire, Double Layer High-Voltage Line

TOP5
Hongshengyuan (Dongguan) New Material Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-01-11
Registered Capital1000K CNY

Hongshengyuan (Dongguan) New Material Technology Co., Ltd., registered at Room 302, Building 1, No. 3, Nan'er Road, Dongxin Garden, Humen Town, Dongguan City, Guangdong Province, with the registration authority of Dongguan Market Supervision Administration and the legal representative of Chen Ye, operates in general projects including research and development of new material technology; Promotion services for new material technology; Manufacturing of engineering plastics and synthetic resins; Sales of engineering plastics and synthetic resins; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of electronic specialized materials; Sales of electronic specialized materials; Sales of synthetic materials; Sales of high-quality synthetic rubber; Manufacturing of plastic products; Sales of plastic products; Electronic product sales; Manufacturing of synthetic materials (excluding hazardous chemicals); Import and export of goods; Technology import and export. (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: Insulating Sleeve, Nylon Sleeve, Velcro Sleeve

TOP6
Shenzhen Dike Technology Development Co., Ltd
Overall Score4.5 / 5
Est. Date2011-09-06
Registered Capital500K CNY

Shenzhen Dike'er Technology Development Co., Ltd., with its registered address at Room 401, Building 5, Yijiayang Industrial Park, Huayun Road, Dalang Street, Longhua District, Shenzhen, is registered with the Longhua Regulatory Bureau of the Shenzhen Market Supervision Administration. The legal representative is Liu Guobang, and its business scope includes the technical development and sales of electronic products; Domestic trade; Engaged in import and export business of goods and technology. Except for projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council^. Core products: Insulating Sleeve, Heat Shrink Tubing, Heat Shrink Tubing

TOP7
Shenzhen Jundingda New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2004-09-08
Registered Capital78400K CNY

Shenzhen Jundingda New Materials Co., Ltd., with its registered address at Building 2, Zone E, Democratic West Industrial Park, Shajing Street, Bao'an District, Shenzhen, is registered with the Shenzhen Municipal Administration for Market Regulation. The legal representative is Yang Fengkai, and its business scope includes general business projects such as plastic products, electronic products, insulation materials, weaving products, lighting accessories, computer software and hardware, hardware products, metal products, and technology development and sales of thermal insulation materials; Sales of electric heating tools, cutting tools, electronic tools, electronic components, hot air ducts, heating devices, and packaging materials; Domestic commercial and material supply and marketing industry; Information consultation; Production of woven products, electronic plastic products, hardware products, metal products, and thermal insulation materials; Import and export of goods and technology. (The above does not include projects that require pre-approval or are prohibited by laws, administrative regulations, or decisions of the State Council.). (Agree to the registration authority adjust and standardize the expression of business scope, subject to registration by the registration authority) Licensed business project: None.. Core products: Insulating Sleeve, Spiral Tube, Wire Protection Net

TOP8
Shenzhen Xinghongshun Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-08-05
Registered Capital4000K CNY

Shenzhen Xinghongshun Technology Co., Ltd., with its registered address at No. 302, Lane 2, Qingpai New Village, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen, is registered with the Shenzhen Administration for Market Regulation. The legal representative is Gao Xuliang, and its business scope includes the technical development and sales of general business items such as health massage equipment (excluding medical devices), insulation materials, heat shrink tubing, double wall heat shrink tubing, high temperature resistant medium wall tubing, silicone tubing, PTFE tubing, electrical tape, electronic materials, electronic products, connectors, and wires; Wholesale and retail of daily necessities; Sales of LED light accessories and related technical consultation; Domestic trade; Import and export of goods and technology. (The above does not include projects that require approval before registration as stipulated by laws, administrative regulations, or decisions of the State Council.) The licensed business project is the production and processing of heat shrink tubing.. Core products: Insulating Sleeve, Wire Insulation Sleeve, Optical Cable Splice Closure

TOP9
Zhongshan Xingcheng Insulation Material Products Co., Ltd
Overall Score4.4 / 5
Est. Date2017-06-23
Registered Capital1000K CNY

Zhongshan Xingcheng Insulation Material Products Co., Ltd., registered at No. 51 Xingpu Avenue Middle, Huangpu Town, Zhongshan City, with the registration authority of Zhongshan Market Supervision Administration and the legal representative of Guan Xiangzhu, has a business scope including general projects: sales of plastic products; Manufacturing of plastic products; Manufacturing of electrical equipment; Sales of electrical equipment; Sales of power facilities and equipment; Sales of distribution switch control equipment; Operation of wires and cables; Sales of rubber products; Sales of semiconductor discrete devices; Sales of electronic specialized materials; Manufacturing of hardware products; Retail of hardware products; Sales of building decoration materials; Manufacturing of electronic specialized materials. (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: Insulating Sleeve, Ptfe Heat Shrink Tubing, Dr Rubber Heat Shrink Tubing

TOP10
Ruikan (Guangzhou) Cable Co., Ltd
Overall Score4.3 / 5
Est. Date2014-06-23
Registered Capital2000K CNY

Ruikan (Guangzhou) Cable Co., Ltd., with its registered address at Room 201, Building 1, No. 82 Xingxue Road, Donghuan Street, Panyu District, Guangzhou (Location: Part 2), registered with the Market Supervision Administration of Panyu District, Guangzhou, and represented by Wang Shu as its legal representative. Its business scope includes the manufacturing of wires and cables; Building material design and consulting services; Interior decoration design services; Wholesale of building materials and decorative materials; Post construction decoration, renovation, and cleaning; Installation services for building heating systems; Manufacturing of electrical equipment; Wholesale of electrical equipment; Retail of electrical equipment;. Core products: Insulating Sleeve, Terminal, Sensing Cable

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shenzhen Dankai Technology Co., Ltd2011-01-24Insulating Sleeve, Conventional Tube, Teflon Fluororubber Tube5000K CNYNot Supported
Shenzhen Wo'er Nuclear Materials Co., Ltd1998-06-19Insulating Sleeve, Cable Accessories, Heat Shrink Tubing1.259898562e+06K CNYNot Supported
Zhongshan Huiyuan Electronic Technology Co., Ltd2020-09-24Insulating Sleeve, Heat Shrink Compression Waterproof Terminal, Heat Shrink Tubing1000K CNYNot Supported
Dongguan Nuoan Industrial Co., Ltd2016-03-31Insulating Sleeve, Weaving High-Temperature Wire, Double Layer High-Voltage Line2000K CNYNot Supported
Hongshengyuan (Dongguan) New Material Technology Co., Ltd2019-01-11Insulating Sleeve, Nylon Sleeve, Velcro Sleeve1000K CNYNot Supported
Shenzhen Dike Technology Development Co., Ltd2011-09-06Insulating Sleeve, Heat Shrink Tubing, Heat Shrink Tubing500K CNYNot Supported
Shenzhen Jundingda New Materials Co., Ltd2004-09-08Insulating Sleeve, Spiral Tube, Wire Protection Net78400K CNYNot Supported
Shenzhen Xinghongshun Technology Co., Ltd2010-08-05Insulating Sleeve, Wire Insulation Sleeve, Optical Cable Splice Closure4000K CNYNot Supported
Zhongshan Xingcheng Insulation Material Products Co., Ltd2017-06-23Insulating Sleeve, Ptfe Heat Shrink Tubing, Dr Rubber Heat Shrink Tubing1000K CNYSupported
Ruikan (Guangzhou) Cable Co., Ltd2014-06-23Insulating Sleeve, Terminal, Sensing Cable2000K CNYNot Supported

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 prioritize checking key technical parameters such as voltage level, temperature resistance range, and dimensional tolerances to ensure compatibility with equipment interfaces or operating conditions. For example, high-voltage power equipment should use thickened sleeves that meet the withstand voltage standards.
  • Insulation sleeves are widely used in substation maintenance, electrical equipment assembly, and other scenarios. When purchasing, different materials (such as silicone rubber or epoxy resin) can be selected based on specific scenario requirements to balance insulation performance and mechanical strength.
  • 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 batch supply capabilities.
  • If purchasing insulation sleeves for long-term outdoor exposure environments, additional attention should be paid to the product's UV resistance and moisture resistance parameters. At the same time, it is recommended to choose suppliers with many successful cases in the power industry to reduce adaptation risks.

Knowledge Base

Q

This article provides an in-depth analysis of the multiple functions of insulation sleeves in electrical equipment and industrial applications, including isolation protection, safety enhancement, and structural optimization, to help readers fully understand the practical value of this key component.

Q

It is a specialized working head installed at the front end of the insulated operating rod, used for remote and insulated operation of dismantling bolts and nuts. What homework scenarios are they mainly used in? Mainly used for high-voltage live work, power outage maintenance, and bolt disassembly and assembly in high places and narrow spaces of equipment. What is the difference between it and a regular sleeve? It has a dedicated connection interface that can be reliably docked with insulated operating rods to meet insulation requirements

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