Updated Jun 14, 2026 · Public platform & industry data

Jun 14, 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 Xiong'an Qiangu Plastic Products Sales Co., Ltd, Hebei Ouyi Technology Group Co., Ltd, Yunnan Baoxiang Engineering Materials Co., Ltd, Cangzhou Huadun Pipeline Technology Co., Ltd, Henan Houde Pipe Industry Co., Ltd, Hengshui Weiyi Fiberglass Products Co., Ltd, Cangzhou Tuocheng Pipeline Equipment Co., Ltd, Anhui Weilide New Materials Co., Ltd, Henan Guosu Pipe Industry Co., Ltd, Hebei Minxin Composite Materials 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.

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Top 1
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Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd
Overall Score4.9 / 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 2
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Hebei Ouyi Technology Group Co., Ltd
Overall Score4.8 / 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 3
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Yunnan Baoxiang Engineering Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2023-04-12
Registered Capital11000K CNY

Yunnan Baoxiang Engineering Materials Co., Ltd., with its registered address at No. 3-5, Building C5, Kunming Pan Asia Baoxiang Logistics Park, Dachong Community, Luoyang Street Office, Economic Development Zone, Kunming, China (Yunnan) Pilot Free Trade Zone, is registered with the Kunming Municipal Administration for Market Regulation and represented by Li Daming. Its business scope includes general projects such as non-ferrous metal alloy manufacturing; Rolling and processing of non-ferrous metals; Manufacturing of metal structures; Wholesale of hardware products; Sales of steel reinforcement products for construction; Sales of building materials; Sales of metal products; Sales of molding materials for casting; Sales of firefighting equipment; Sales of metal tools; Sales of security equipment; Operation of wires and cables; Sales of metal wire ropes and their products; Sales of electrical accessories; Sales of superconducting materials; Sales of chemical products (excluding licensed chemical products); Sales of new organic active materials; Sales of new membrane materials; Sales of rubber products; Sales of mechanical and electrical equipment; Electrical equipment repair; Sales of high-performance fibers and composite materials; Sales of soft magnetic composite materials; Sales of cement products; Sales of asbestos cement products (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law).. Core products: Insulating Sleeve, Pe Steel Wire Mesh Skeleton Pipe, Ductile Iron Manhole Cover

TOP4
Cangzhou Huadun Pipeline Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-05-18
Registered Capital100000K CNY

Cangzhou Huadun Pipeline Technology Co., Ltd., with its registered address located at the south of Puyang Road East Section, Economic Development Zone, Yanshan County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Liu Zhenhong, and its business scope includes the research and development and utilization of steel pipe anti-corrosion technology; Production of coated composite steel pipes, 3PE anti-corrosion steel pipes, spiral steel pipes, straight seam steel pipes, seamless steel pipes, heating insulation steel pipes, TPEP anti-corrosion steel pipes, hot-dip plastic cable conduit, steel sleeve steam insulation pipes, fire protection coated steel pipes, coated steel pipes for coal mines, pipeline pipes, alloy pipes, stainless steel pipes, fittings, anti-corrosion insulation materials, pipelines and pipeline accessories, pipes, plates, wire steel and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sleeve, Black Jacket Insulation Pipe, 3Pe Anti-Corrosion Steel Pipe

TOP5
Henan Houde Pipe Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2022-07-27
Registered Capital1000K CNY

Henan Houde Pipe Industry Co., Ltd., with its registered address at Room 1006, Floor 10, Unit 1, Building 61, Haochuang wutong County Community, Longhu Town, Xinzheng City, Zhengzhou City, Henan Province, is registered by Xinzheng Market Supervision Administration, and its legal representative is Guo Xiaozeng. Its business scope includes general items: wholesale of hardware products; Sales of metal materials; Sales of metal structures; Sales of plastic products; Sales of special equipment; Sales of glass fiber reinforced plastic products; Operation of wires and cables; Sales of mechanical and electrical equipment (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Insulating Sleeve, Pvc-U Double Wall Corrugated Pipe, Psp Steel Plastic Composite Pipe

TOP6
Hengshui Weiyi Fiberglass Products Co., Ltd
Overall Score4.6 / 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

TOP7
Cangzhou Tuocheng Pipeline Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2017-07-25
Registered Capital18880K CNY

Cangzhou Tuocheng Pipeline Equipment Co., Ltd. is registered in Puwacheng Park, Yanshan Economic Development Zone, Hebei Province. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Xie Yuxin. The business scope includes the sales of steel pipes, fittings, polyurethane insulation pipes, anti-corrosion steel pipes, coated steel pipes, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, steel sleeve steel steam insulation pipes, hot-dip plastic cable threading protection pipes, epoxy coal tar anti-corrosion steel pipes, non-toxic drinking water anti-corrosion steel pipes, resin composite steel pipes for coal mines, stainless steel pipes, pipeline pipes, alloy pipes, anti-corrosion insulation materials, pipes and pipeline accessories, elbows, flanges, plates, wires, profiles, power plant accessories, valves and pressure vessels, as well as the construction and installation of pipelines and anti-corrosion and insulation engineering. Design and construction of heating pipeline network. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law). Core products: Insulating Sleeve, Plastic-Coated Steel Pipe, Hot Dip Plastic Conduit

TOP8
Anhui Weilide New Materials Co., Ltd

Guang'an, Sichuan

Overall Score4.6 / 5
Est. Date2021-04-22
Registered Capital5000K CNY

Anhui Weilide New Materials Co., Ltd., located in Guang'an, Sichuan, was established on April 22, 2021. Core products: Insulating Sleeve

TOP9
Henan Guosu Pipe Industry Co., Ltd
Overall Score4.5 / 5
Est. Date2020-09-16
Registered Capital1000K CNY

Henan Guosu Pipe Industry Co., Ltd., with its registered address at Room 1106, Floor 11, Unit 1, Building 62, Haochuang wutong County Community, Longhu Town, Xinzheng City, Zhengzhou City, Henan Province, is registered by Xinzheng Market Supervision Administration, and its legal representative is Song Xiaoyan. Its business scope includes general items: sales of plastic products; Sales of metal products; Sales of rubber products; Sales of synthetic materials; Sales of building materials; Sales of pipeline transportation equipment; Sales of electrical equipment; Sales of valves and plugs; Sales of supply instruments and meters; Retail of hardware products; Manufacturing of plastic products; Electrical equipment repair; General equipment repair; Installation services for ordinary mechanical equipment; Engineering management services (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License projects: Construction projects (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 license certificates of relevant departments). Core products: Insulating Sleeve, Steel Strip Reinforced Spiral Corrugated Pipe, Mpp Single Wall Corrugated Pipe

TOP10
Hebei Minxin Composite Materials Products Co., Ltd
Overall Score4.4 / 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

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd2022-06-07Insulating Sleeve, Grille Tube, Fiberglass Protective Cover10680K CNYNot Supported
Hebei Ouyi Technology Group Co., Ltd2012-01-12Insulating Sleeve, Fiberglass Inspection Well, Fiberglass Desulfurization Tower100060K CNYSupported
Yunnan Baoxiang Engineering Materials Co., Ltd2023-04-12Insulating Sleeve, Pe Steel Wire Mesh Skeleton Pipe, Ductile Iron Manhole Cover11000K CNYSupported
Cangzhou Huadun Pipeline Technology Co., Ltd2021-05-18Insulating Sleeve, Black Jacket Insulation Pipe, 3Pe Anti-Corrosion Steel Pipe100000K CNYSupported
Henan Houde Pipe Industry Co., Ltd2022-07-27Insulating Sleeve, Pvc-U Double Wall Corrugated Pipe, Psp Steel Plastic Composite Pipe1000K CNYSupported
Hengshui Weiyi Fiberglass Products Co., Ltd2022-06-15Insulating Sleeve, Bwfrp Cable Conduit, Fiberglass Drainage Pipeline10000K CNYNot Supported
Cangzhou Tuocheng Pipeline Equipment Co., Ltd2017-07-25Insulating Sleeve, Plastic-Coated Steel Pipe, Hot Dip Plastic Conduit18880K CNYSupported
Anhui Weilide New Materials Co., Ltd2021-04-22Insulating Sleeve5000K CNYNot Supported
Henan Guosu Pipe Industry Co., Ltd2020-09-16Insulating Sleeve, Steel Strip Reinforced Spiral Corrugated Pipe, Mpp Single Wall Corrugated Pipe1000K CNYNot Supported
Hebei Minxin Composite Materials Products Co., Ltd2022-10-12Insulating Sleeve, Glass Steel Surface Well, Fiberglass Sand Filled Pipeline3000K 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

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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.

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This article focuses on the telephone numbers of insulation through wall sleeve manufacturers, including Dongguan Jinyang Insulation Material Co., Ltd., Henan Ya'an Insulation Material Factory Co., Ltd., Dongguan Dexin Insulation Material Co., Ltd., Handan Xuen Fastener Manufacturing Co., Ltd., Zhejiang Chaoxin Electric Power Technology Co., Ltd., and Leqing Juju Electric Co., Ltd

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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