Updated Sep 5, 2026 · Public platform & industry data

Sep 5, 2026 Updated

English
title decor left

2026 Top 10 Insulating Sleeve Manufacturers in China Zhejiang

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 Zhejiang for 2026 are: Yueqing LeBian New Materials Co., Ltd, Jiangsu Wenbuluo Wiring Equipment Co., Ltd, Shanghai Minrong Electric Group Co., Ltd, Zhejiang Huaju Plastic Co., Ltd, Jiangsu Yeguan Electric Technology Co., Ltd, Jiangsu Wenbuluo Wiring Equipment Co., Ltd, Minsai Electric Group Co., Ltd, Zhejiang Yuyi Electric Co., Ltd, Yueqing Duwai Electric Co., Ltd, Langfang Fujie Metal Products 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
ZhejiangZhejiang
Top 1
background image
Yueqing LeBian New Materials Co., Ltd
Overall Score4.9 / 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, Protective Case, Fixed Seat

Top 2
background image
Jiangsu Wenbuluo Wiring Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2010-09-17
Registered Capital10000K CNY

Jiangsu Wenbuluo Wiring Equipment Co., Ltd., registered at the second floor of Building 7, No. 25 Xiongzhuang Road, Kunshan Development Zone, with the registration authority of Kunshan Administrative Approval Bureau and the legal representative of Pan Jie, engages in the sales of wiring equipment, electrical components, and chemical products (excluding hazardous chemicals, monitoring chemicals, and precursor chemicals); Research and development, production, sales, and technical consulting of electrical equipment and accessories, hardware products, automation control equipment, HVAC equipment, gas equipment, electromechanical equipment, environmental protection equipment, computers, automation control software, electronic equipment, fluid control equipment, and communication equipment (excluding satellite broadcasting and television ground receiving facilities). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Import and export of goods; Technology import and export (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: Insulating Sleeve, M8m12 Connector, Terminal Block

Top 3
background image
Shanghai Minrong Electric Group Co., Ltd
Overall Score4.7 / 5
Est. Date2013-05-06
Registered Capital58800K CNY

Shanghai Minrong Electric Group Co., Ltd., with its registered address at 1st Floor, Building 1, No. 2816 Yixian Road, Baoshan District, Shanghai, is registered with the Baoshan District Market Supervision Administration. The legal representative is Zhou Jianjie, and its business scope includes general projects such as sales of electrical equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of power electronic components; Manufacturing of power electronic components; Operation of wires and cables; Sales of power facilities and equipment; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of electronic components and electromechanical equipment; Manufacturing of electronic components and electromechanical equipment; Sales of household appliances; Sales of office equipment; Sales of instruments and meters; Retail of hardware products; Wholesale of hardware products; Sales of communication equipment; Manufacturing of hardware products; Electronic product sales; Internet sales (except for the sale of goods that need to be licensed); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Enterprise management consulting; Import and export of goods; Technology import and export; Electrical equipment repair; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Sales of electronic specialized equipment; Manufacturing of electronic specialized equipment. (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, High Voltage Indoor Electromagnetic Lock, Vacuum Circuit Breaker

TOP4
Zhejiang Huaju Plastic Co., Ltd
Overall Score4.6 / 5
Est. Date2016-04-25
Registered Capital10000K CNY

Zhejiang Huaju Plastic Co., Ltd., with its registered address located in Shangyanhou Village, Taiwan Business Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province (within Torch Electric Group Co., Ltd.), is registered with the Yueqing Market Supervision Administration and represented by Zhu Xuwei. Its business scope includes general projects such as plastic product manufacturing; Sales of plastic products; Sales of electrical accessories; Manufacturing of electrical accessories; Sales of metal products; Manufacturing of metal materials; Sales of distribution switch control equipment; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Sales of power electronic components; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law).. Core products: Insulating Sleeve, Cable Tie Tape, Flame Retardant Black And White Wrapped Conduit

TOP5
Jiangsu Yeguan Electric Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2018-03-30
Registered Capital20000K CNY

Jiangsu Yeguan Electric Technology Co., Ltd., with its registered address at Room 7, No. 25 Xiongzhuang Road, Kunshan Development Zone, registered with the Kunshan Administrative Approval Bureau, and represented by Pan Jie as its legal representative. Its business scope includes general projects such as sales of electrical equipment; Manufacturing of calculator equipment; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Manufacturing of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Software sales; Software development; Retail of computer software, hardware, and auxiliary equipment; Manufacturing of computer software, hardware, and peripheral devices; Wholesale of computer software, hardware, and auxiliary equipment; Sales of industrial automatic control system devices; Industrial design services; Professional design services; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Electronic product sales; Manufacturing of electronic (gas) physical equipment and other electronic devices; Sales of electronic specialized equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Computer system services; Import and export of goods; Technology import and export (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: Insulating Sleeve, , Strong And Weak Current Separation Trunking

TOP6
Jiangsu Wenbuluo Wiring Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2010-09-17
Registered Capital10000K CNY

Jiangsu Wenbuluo Wiring Equipment Co., Ltd., registered at the second floor of Building 7, No. 25 Xiongzhuang Road, Kunshan Development Zone, with the registration authority of Kunshan Administrative Approval Bureau and the legal representative of Pan Jie, engages in the sales of wiring equipment, electrical components, and chemical products (excluding hazardous chemicals, monitoring chemicals, and precursor chemicals); Research and development, production, sales, and technical consulting of electrical equipment and accessories, hardware products, automation control equipment, HVAC equipment, gas equipment, electromechanical equipment, environmental protection equipment, computers, automation control software, electronic equipment, fluid control equipment, and communication equipment (excluding satellite broadcasting and television ground receiving facilities). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Import and export of goods; Technology import and export (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: Insulating Sleeve, M8m12 Connector, Copper Nose

TOP7
Minsai Electric Group Co., Ltd
Overall Score4.5 / 5
Est. Date2017-07-20
Registered Capital50000K CNY

Minsai Electric Group Co., Ltd., registered at Xiangyang Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province (within Zhejiang Rio Tinto New Electric Co., Ltd.), registered with the Yueqing Market Supervision Administration, with Shen Guidong as the legal representative. Its business scope includes general projects such as manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Rubber product manufacturing; Sales of rubber products; Sales of electrical accessories; Sales of electrical equipment; Internet sales (except for the sale of goods that need to be licensed); Wind power generation technology services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Technology import and export; Import and export of goods (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Licensed project: Electrical installation services (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Insulating Sleeve, Current Limiting Fuse, High Voltage Complete Set Of Accessories

TOP8
Zhejiang Yuyi Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2021-10-14
Registered Capital10000K CNY

Zhejiang Yuyi Electric Co., Ltd., registered at No. 128 Longjing Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, with the registration authority of Yueqing Market Supervision Administration and the legal representative being Zhao Mei. Its business scope includes general projects such as research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of electronic components; Manufacturing of power electronic components; Sales of power electronic components; Retail of electronic components; Wholesale of electronic components; Manufacturing of power facilities and equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of metal chains and other metal products; Manufacturing of metal chains and other metal products; Manufacturing of hardware products; Retail of hardware products; Manufacturing of electrical equipment; Wholesale of hardware products; Sales of electrical equipment; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of plastic products; Sales of plastic products; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power transmission, distribution and control equipment; Rubber product manufacturing; Sales of rubber products; Operation of wires and cables; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of lighting fixtures; Sales of lighting fixtures; Manufacturing of automotive parts and accessories; Retail of automotive spare parts; Manufacturing of transformers, rectifiers, and inductors (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, Dtlq Single Hole Brazed Copper Aluminum Nose, Square Copper Nose Series

TOP9
Yueqing Duwai Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2012-01-05
Registered Capital1180K CNY

Yueqing Duwai Electric Co., Ltd., registered in Huangqijia Village, Liushi Town, Yueqing City, with the registration authority of Yueqing Market Supervision Administration and the legal representative of Huang Peilei, is engaged in the sales of complete sets of high and low voltage electrical equipment, high and low electrical components, electronic components, instruments and meters (excluding measuring instruments), hardware tools, refrigeration equipment, communication equipment (excluding ground satellite transceiver devices), plastic parts, lighting fixtures, wires and cables, and automotive and motorcycle accessories; Sales of metal materials and building materials; Import and export of goods and technology.. Core products: Insulating Sleeve, (Non Standard) Other Insulators, Ct/Cj Trapezoidal Insulation Bracket

TOP10
Langfang Fujie Metal Products Co., Ltd
Overall Score4.3 / 5
Est. Date2016-06-02
Registered Capital540K CNY

Langfang Fujie Metal Products Co., Ltd., with its registered address located in Wangdianzhuang Village, Yongqing Industrial Park, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Yongqing County, Langfang City. The legal representative is Ma Baofu, and its business scope includes the production and sales of metal wire protection sleeves, mechanical parts, and electromechanical products; Research and development, upgrading, and technology transfer of wire protection covers; Sales: instruments and meters, electronic products, hardware and electrical materials, building materials, kitchen equipment, sanitary ware, small appliances, craft gifts, furniture, office supplies, plastic products; Import and export business of goods (excluding products prohibited or restricted 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, Junction Box, Kv Flexible Tube

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Yueqing LeBian New Materials Co., Ltd2008-01-21Insulating Sleeve, Protective Case, Fixed Seat30800K CNYNot Supported
Jiangsu Wenbuluo Wiring Equipment Co., Ltd2010-09-17Insulating Sleeve, M8m12 Connector, Terminal Block10000K CNYSupported
Shanghai Minrong Electric Group Co., Ltd2013-05-06Insulating Sleeve, High Voltage Indoor Electromagnetic Lock, Vacuum Circuit Breaker58800K CNYSupported
Zhejiang Huaju Plastic Co., Ltd2016-04-25Insulating Sleeve, Cable Tie Tape, Flame Retardant Black And White Wrapped Conduit10000K CNYSupported
Jiangsu Yeguan Electric Technology Co., Ltd2018-03-30Insulating Sleeve, , Strong And Weak Current Separation Trunking20000K CNYSupported
Jiangsu Wenbuluo Wiring Equipment Co., Ltd2010-09-17Insulating Sleeve, M8m12 Connector, Copper Nose10000K CNYSupported
Minsai Electric Group Co., Ltd2017-07-20Insulating Sleeve, Current Limiting Fuse, High Voltage Complete Set Of Accessories50000K CNYNot Supported
Zhejiang Yuyi Electric Co., Ltd2021-10-14Insulating Sleeve, Dtlq Single Hole Brazed Copper Aluminum Nose, Square Copper Nose Series10000K CNYNot Supported
Yueqing Duwai Electric Co., Ltd2012-01-05Insulating Sleeve, (Non Standard) Other Insulators, Ct/Cj Trapezoidal Insulation Bracket1180K CNYSupported
Langfang Fujie Metal Products Co., Ltd2016-06-02Insulating Sleeve, Junction Box, Kv Flexible Tube540K 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

Baidu Love Procurement has found pictures related to different categories of busbar insulation sleeves for you, taking you to appreciate the diversity and uniqueness of busbar insulation sleeves. At the same time, we also recommend high-quality busbar insulation sleeve products for you, allowing you to easily and quickly find the most suitable busbar insulation sleeve for yourself when purchasing.

Q

This article uses real-life metaphors to analyze the essence of insulation sleeves, providing a detailed introduction to their material properties, industrial application scenarios, and clever uses in daily life, helping readers easily understand this professional protective material.

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