Updated Aug 20, 2026 · Public platform & industry data

Aug 20, 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: Hebei Ouyi Technology Group Co., Ltd, Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd, Tianjin Jingtong Pipeline Technology Co., Ltd, Hengshui Weiyi Fiberglass Products Co., Ltd, Wujiang Huading Heat Shrinkable Products Co., Ltd, Hebei Zunlong Pipeline Technology Co., Ltd, Hebei Minxin Composite Materials Products Co., Ltd, Ningguo Apris New Material Technology Co., Ltd, Hengshui Qiran Rubber Products Co., Ltd, Hebei Xiong'an Yunsu Technology 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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Hebei Ouyi Technology Group Co., Ltd
Overall Score4.9 / 5
Est. Date2012-01-12
Registered Capital100060K CNY

Hebei Ouyi Technology Group Co., Ltd., registered at the Fiberglass City Industrial Park in Zaoqiang County, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Liu Jinhua, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Construction of earthwork engineering; Construction of metal doors and windows engineering; Biomass energy technology services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of plastic products; Sales of plastic products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Wastewater treatment and its recycling; Manufacturing of specialized machinery and equipment for water resources; Manufacturing of environmental emergency technology equipment; Sales of environmental emergency technical equipment; Rubber product manufacturing; Sales of rubber products; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Sales of coatings (excluding hazardous chemicals); Manufacturing of material handling equipment; Sales of material handling equipment; Manufacturing of arts and crafts and ceremonial items (excluding ivory and its products); Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Bearing manufacturing; Manufacturing of bearings, gears, and transmission components; Bearing sales; Sales of bearings, gears, and transmission components; Manufacturing of gears, gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Manufacturing of enamel products; Sales of enamel products; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Sales of anti-corrosion materials; Sales of insulation materials; Professional design services; Sales of building materials; Housing rental; Non residential real estate leasing; Rental services (excluding licensed rental services); Contract energy management; Import and export of goods; Technology import and export; Production of gas appliances; Manufacturing of digital video surveillance systems; Sales of digital video surveillance systems; Integrated circuit manufacturing; Manufacturing of integrated circuit chips and products; Integrated circuit sales; Sales of integrated circuit chips and products; Manufacturing of electronic components; Retail of electronic components; Manufacturing of specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Integrated circuit chip design and services; Wholesale of electronic components; Electronic product sales; Manufacturing of power electronic components; Sales of power electronic components; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Information technology consulting services (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: special equipment manufacturing; Construction project construction; Construction professional operations; Construction project design; Construction labor subcontracting; Special equipment installation, renovation, and repair (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 licenses). Core products: Insulating Sleeve, Fiberglass Inspection Well, Fiberglass Desulfurization Tower

Top 2
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Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd
Overall Score4.8 / 5
Est. Date2022-06-07
Registered Capital10680K CNY

Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd., with its registered address at No. 66, Yangbei Village, Yanggang Town, Xiong County, Baoding City, Hebei Province (self declared), is registered with the Market Supervision and Administration Bureau of Xiong County, with Wang Kuo as its legal representative. Its business scope includes the sale of PE water supply pipes, HDPE double wall corrugated pipes, PE steel strip reinforced spiral corrugated pipes, PE steel wire skeleton pipes, plastic inspection wells, MPP power pipes, CPVC power pipes, PVC water supply and drainage pipes, PVC line pipes, PPR water supply pipes, underfloor heating pipes, farmland irrigation pipes, electrical materials, hardware and electrical equipment, building construction materials (excluding dangerous goods), and municipal engineering materials (projects that require approval by relevant departments according to law). Business activities can only be carried out after approval.. Core products: Insulating Sleeve, Grille Tube, Fiberglass Protective Cover

Top 3
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Tianjin Jingtong Pipeline Technology Co., Ltd

No. 7 Chaoyang East Road, Baodi Plastic Products Industrial Zone, Tianjin

Overall Score4.8 / 5
Est. Date2011-04-27
Registered Capital62880K CNY

Tianjin Jingtong Pipeline Technology Co., Ltd., located at No. 7 Chaoyang East Road, Baodi Plastic Products Industrial Zone, Tianjin, was established on April 27, 2011. The registration authority is the Baodi District Market Supervision Administration of Tianjin, and the legal representative is Liu Fu. Core products: Insulating Sleeve

TOP4
Hengshui Weiyi Fiberglass Products Co., Ltd
Overall Score4.7 / 5
Est. Date2022-06-15
Registered Capital10000K CNY

Hengshui Weiyi Fiberglass Products Co., Ltd., registered at the intersection of 905 County Road and Zhonghua East Street, Zaoqiang County, Hengshui City, Hebei Province, is located 200 meters south of the road. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Wang Yutong. The business scope includes general projects: manufacturing of environmental protection special equipment; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Sales of mechanical parts and components; Mechanical parts and component processing; Repair of metal products; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of plastic products; Sales of plastic products; Sales of rubber products; Rubber product manufacturing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Installation services for ordinary mechanical equipment; Installation services for environmental sanitation public facilities. (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, Bwfrp Cable Conduit, Fiberglass Drainage Pipeline

TOP5
Wujiang Huading Heat Shrinkable Products Co., Ltd
Overall Score4.7 / 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, Cold Shrink Finger Cots, Cable Accessories

TOP6
Hebei Zunlong Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2025-11-11
Registered Capital46880K CNY

Hebei Zunlong Pipeline Technology Co., Ltd. is located at No. 986 Xingfu Road, Xibailinzhuang Village, Chaheji Township, Bazhou City, Langfang City, Hebei Province. It was established on November 11, 2025 and registered with the Market Supervision Administration of Bazhou City, Langfang City. The legal representative is Yao Shenghui. Core products: Insulating Sleeve

TOP7
Hebei Minxin Composite Materials Products Co., Ltd
Overall Score4.6 / 5
Est. Date2022-10-12
Registered Capital3000K CNY

Hebei Minxin Composite Materials Products Co., Ltd., with its registered address located at the intersection of Yuhua East Street and Dongwai Ring Road, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province, is 100 meters east of the intersection. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Duan Huangai. Its business scope includes general projects: manufacturing of non-metallic mineral products; Manufacturing of fiberglass and related products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of high-performance fibers and composite materials; Manufacturing of high-performance fibers and composite materials; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of pipeline transportation equipment; Manufacturing of pumps and vacuum equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Installation services for ordinary mechanical equipment; Sales of pumps and vacuum equipment; Manufacturing of refrigeration and air conditioning equipment; Rubber product manufacturing; Sales of synthetic materials; Sales of green composite materials for rail transit. (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, Glass Steel Surface Well, Fiberglass Sand Filled Pipeline

TOP8
Ningguo Apris New Material Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2018-03-12
Registered Capital1000K CNY

Ningguo Apris New Material Technology Co., Ltd., registered at Room 2-301, Building 2, Yingbin Road and Meihe Garden, Ningguo City, with the registration authority of Ningguo Market Supervision Administration and the legal representative of Zhu Jun. The company's business scope includes the research and sales of special stainless steel and new light alloy materials, as well as the import and export of electrical equipment, hardware and electromechanical, wire and cable, pipe fittings, insulation materials, electric heating materials, refractory materials, waterproof materials, anti-corrosion materials, insulation materials, sealing materials, thermal insulation products, metal materials, environmental protection materials, rubber and plastic products, electronic products, digital products, auto parts, safety protection products, leather, textiles, and daily necessities. The company also engages in self operated and agency import and export of various commodities and technologies (commodities restricted or prohibited from import and export by the state). Except for technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sleeve, High-Temperature Sleeve, Aluminum Foil Fiberglass Cloth

TOP9
Hengshui Qiran Rubber Products Co., Ltd
Overall Score4.5 / 5
Est. Date2025-05-15
Registered Capital1000K CNY

Hengshui Qiran Rubber and Plastic Products Co., Ltd., with its registered address at No. 418 Jingzhou Rubber and Plastic Pipe Industry Guidance Base, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision and Administration Bureau. The legal representative is Liang Haisheng, and its business scope includes general projects such as rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Sealing component manufacturing; Sales of seals; Manufacturing of metal tools; Sales of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Manufacturing of metal processing machinery; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of synthetic materials; Manufacturing of general components; Rolling and processing of non-ferrous metals; Import and export of goods (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations). Core products: Insulating Sleeve, , Spiral Protective Cover

TOP10
Hebei Xiong'an Yunsu Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2019-08-15
Registered Capital3000K CNY

Hebei Xiong'an Yunsu Technology Co., Ltd., with its registered address at No. 028, Group 1, Yangwangzhuang Village, Yanggang Town, Xiong County, Baoding City, Hebei Province, is registered with the Public Service Bureau of Xiong'an New Area. The legal representative is Li Zetao, and the business scope includes technology development, technical consulting, and technical services for new building materials; Wholesale and retail of building materials, decorative materials, and hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sleeve, Bwfrp Pipe, Fiberglass Reinforced Plastic Pipe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Ouyi Technology Group Co., Ltd2012-01-12Insulating Sleeve, Fiberglass Inspection Well, Fiberglass Desulfurization Tower100060K CNYSupported
Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd2022-06-07Insulating Sleeve, Grille Tube, Fiberglass Protective Cover10680K CNYNot Supported
Tianjin Jingtong Pipeline Technology Co., Ltd2011-04-27Insulating Sleeve62880K CNYNot Supported
Hengshui Weiyi Fiberglass Products Co., Ltd2022-06-15Insulating Sleeve, Bwfrp Cable Conduit, Fiberglass Drainage Pipeline10000K CNYNot Supported
Wujiang Huading Heat Shrinkable Products Co., Ltd2001-02-21Insulating Sleeve, Cold Shrink Finger Cots, Cable Accessories35500K CNYNot Supported
Hebei Zunlong Pipeline Technology Co., Ltd2025-11-11Insulating Sleeve46880K CNYNot Supported
Hebei Minxin Composite Materials Products Co., Ltd2022-10-12Insulating Sleeve, Glass Steel Surface Well, Fiberglass Sand Filled Pipeline3000K CNYSupported
Ningguo Apris New Material Technology Co., Ltd2018-03-12Insulating Sleeve, High-Temperature Sleeve, Aluminum Foil Fiberglass Cloth1000K CNYNot Supported
Hengshui Qiran Rubber Products Co., Ltd2025-05-15Insulating Sleeve, , Spiral Protective Cover1000K CNYSupported
Hebei Xiong'an Yunsu Technology Co., Ltd2019-08-15Insulating Sleeve, Bwfrp Pipe, Fiberglass Reinforced Plastic Pipe3000K 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 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 AiGou has found pictures of different categories of copper bar insulation sleeves for you, taking you on a journey to appreciate the diversity and uniqueness of copper bar insulation sleeves. At the same time, we also recommend high-quality copper bar insulation sleeve products for you, allowing you to easily and quickly find the most suitable copper bar insulation sleeve for yourself when purchasing.

Q

This article analyzes the common material types and characteristics of insulation sleeves, including silicone rubber, PVC, and fiberglass, and explores the key points of material selection in different application scenarios to help readers understand their functions and advantages.

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