Updated Sep 24, 2026 · Public platform & industry data

Sep 24, 2026 Updated

English
title decor left

2026 Top 10 Insulating Sleeve Manufacturers in China

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 China for 2026 are: Hebei Ouyi Technology Group Co., Ltd, Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd, Renqiu Huamai Communication Equipment Co., Ltd, Hengshui Qiran Rubber Products Co., Ltd, Jingxian Kaijia Metal Rubber Products Factory, Anhui Zhongqi New Materials Co., Ltd, Xiongxian Senna Pipeline Sales Co., Ltd, Ningguo Apris New Material Technology Co., Ltd, Shenzhou Jisu Pipeline Co., Ltd, Chongzhou Shuyitong Building 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.

Collapse
Region FilterRegion
Top 1
background image
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
background image
Hebei Xiong'an Qiangu Plastic Products Sales Co., Ltd
Overall Score4.7 / 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
background image
Renqiu Huamai Communication Equipment Co., Ltd

Dongchenzhuang, Majiawu Town, Renqiu City

Overall Score4.7 / 5
Est. Date2011-03-10
Registered Capital100000K CNY

Renqiu Huamai Communication Equipment Co., Ltd., located in Dongchenzhuang, Majiawu Town, Renqiu City, was established on March 10, 2011. The registration authority is the Renqiu Market Supervision Administration, and the legal representative is Wang Yong. Core products: Insulating Sleeve

TOP4
Hengshui Qiran Rubber Products Co., Ltd
Overall Score4.6 / 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

TOP5
Jingxian Kaijia Metal Rubber Products Factory

Zhanggehou Rubber and Plastic Base, Jing County, Hengshui City, Hebei Province

Overall Score4.6 / 5
Est. Date2015-11-02
Registered Capital-

Jingxian Kaijia Metal Rubber Products Factory, located in Zhanggehou Rubber Base, Jingxian County, Hengshui City, Hebei Province, was established on November 2, 2015. The registration authority is Jingxian Administration for Industry and Commerce, and the legal representative is Lu Haixiang. Core products: Insulating Sleeve, Nylon Resin Pipe, Customized Rubber Parts

TOP6
Anhui Zhongqi New Materials Co., Ltd

No. 231, Outer Ring East Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Overall Score4.5 / 5
Est. Date2016-10-24
Registered Capital12000K CNY

Anhui Zhongqi New Materials Co., Ltd., located at No. 231, Outer Ring East Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province, was established on October 24, 2016. The registration authority is Ningguo Market Supervision Administration, and the legal representative is Xu Ping. Core products: Insulating Sleeve, Silicone Cloth, Adhesive Aluminum Foil Fiberglass Tape

TOP7
Xiongxian Senna Pipeline Sales Co., Ltd
Overall Score4.5 / 5
Est. Date2021-01-06
Registered Capital2000K CNY

Xiongxian Senna Pipeline Sales Co., Ltd. is registered at No. 6, Zone 6, Yangbei Village, Yanggang Town, Xiongxian County, Baoding City, Hebei Province. The registration authority is Xiongxian Market Supervision Administration Bureau, and the legal representative is Wang Haijun. The business scope includes hardware retail. Sales and online sales: pipes and fittings, plastic products, rubber products, wires and cables, steel, electronic products, daily necessities, chemical products (excluding dangerous goods), decorative materials, building materials (excluding dangerous goods) (projects that require approval by law can only be carried out after approval by relevant departments).. Core products: Insulating Sleeve, Protective Tube, Underground Power Pipe Joint

TOP8
Ningguo Apris New Material Technology Co., Ltd
Overall Score4.5 / 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
Shenzhou Jisu Pipeline Co., Ltd

1-2-2 North of Changcheng West Road, Shenzhou City, Hengshui City, Hebei Province (east of the Water Bureau)

Overall Score4.4 / 5
Est. Date2014-03-10
Registered Capital50880K CNY

Shenzhou Jisu Pipeline Co., Ltd. is located at 1-2-2 North Changcheng West Road, Shenzhou City, Hengshui City, Hebei Province (east of the Water Affairs Bureau). It was established on March 10, 2014, with the registration authority of Hengshui Shenzhou Market Supervision Administration and the legal representative of Zhou Gaohui. Core products: Insulating Sleeve

TOP10
Chongzhou Shuyitong Building Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2020-04-26
Registered Capital1000K CNY

Chongzhou Shuyitong Building Materials Co., Ltd., with its registered address at Group 1, Baofeng Village, Huaiyuan Town, Chongzhou City, is registered with the Chongzhou Market Supervision and Administration Bureau and represented by Xue Yi as its legal representative. Its business scope includes general projects such as sales of building materials; Sales of plastic products; Sales of cement products; Research and development of new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information technology consulting services; Wholesale of hardware products; Sales of rubber products; Sales of mechanical equipment; Sales of household appliance spare parts; Sales of metal materials; Sales of steel reinforcement products for construction; Sales of non-ferrous metal alloys; Sales of sanitary ware; Wholesale of kitchenware, sanitary ware, and daily necessities; Wholesale of electronic components; Sales of firefighting equipment; Sales of specialized equipment for environmental protection; Sales of pumps and vacuum equipment; Bearing sales; Sales of fasteners; Sales of chemical products (excluding licensed chemical products); Sales of building decoration materials; Sales of daily necessities; Sales of lighting fixtures; Sales of labor protection equipment; Electronic product sales; Sales of lime and gypsum; Sales of lightweight building materials; Mold sales. (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, Rainwater Pipe, 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
Renqiu Huamai Communication Equipment Co., Ltd2011-03-10Insulating Sleeve100000K CNYNot Supported
Hengshui Qiran Rubber Products Co., Ltd2025-05-15Insulating Sleeve, , Spiral Protective Cover1000K CNYSupported
Jingxian Kaijia Metal Rubber Products Factory2015-11-02Insulating Sleeve, Nylon Resin Pipe, Customized Rubber Parts-Supported
Anhui Zhongqi New Materials Co., Ltd2016-10-24Insulating Sleeve, Silicone Cloth, Adhesive Aluminum Foil Fiberglass Tape12000K CNYNot Supported
Xiongxian Senna Pipeline Sales Co., Ltd2021-01-06Insulating Sleeve, Protective Tube, Underground Power Pipe Joint2000K CNYNot Supported
Ningguo Apris New Material Technology Co., Ltd2018-03-12Insulating Sleeve, High-Temperature Sleeve, Aluminum Foil Fiberglass Cloth1000K CNYNot Supported
Shenzhou Jisu Pipeline Co., Ltd2014-03-10Insulating Sleeve50880K CNYNot Supported
Chongzhou Shuyitong Building Materials Co., Ltd2020-04-26Insulating Sleeve, Rainwater Pipe, Plastic Pipe1000K 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 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