Updated Sep 15, 2026 · Public platform & industry data

Sep 15, 2026 Updated

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2026 Top 10 Bolt Protection Cap Manufacturers in China

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Top-rated Bolt Protection Cap suppliers, How to choose a Bolt Protection Cap manufacturer, Best Bolt Protection Cap companies in China

The top 10 Bolt Protection Cap manufacturers in China for 2026 are: Hebei Keyao Rubber and Plastic Technology Co., Ltd, Hebei Mingda Rubber Products Co., Ltd, Jingxian Lanjuan Rubber Products Co., Ltd, Henan Dengtian Construction Equipment Co., Ltd, Lusen (Shandong) Electromechanical Technology Co., Ltd, Jingxian Kunduo Rubber Products Co., Ltd, Hengshui Guangjiu Road and Bridge Maintenance Engineering Co., Ltd, Hebei Xingnancheng Rubber Products Co., Ltd, Hebei Shuoqiang Rubber Products Co., Ltd, Hengshui Laihao Rubber 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 Keyao Rubber and Plastic Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2016-03-18
Registered Capital20600K CNY

Hebei Keyao Rubber and Plastic Technology Co., Ltd. is registered at No. 106, Jingxian Rubber and Plastic Pipe Industry Base, Hengshui City, Hebei Province. The registration authority is Jingxian Market Supervision Administration, and the legal representative is Jia Runzi. The business scope includes new material technology promotion services. Production and sales of waterstops, waterstops, rubber products, sealants, closed cell foam boards, waterproof boards, geotextiles, hot-melt gaskets, grouting pipe disks, rubber strips, rubber plates, semicircle pipes, butyl tape, plastic sleeves, plastic insulation blocks, plastic spirals, plastic pads, plastic flange cards, metal products; Selling hot melt machines for water stop steel plates and rubber water stop strips; Import and export of goods or technology * * (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Bolt Protection Cap, Three Way Fittings For Grouting Pipes, Elastic Pad

Top 2
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Hebei Mingda Rubber Products Co., Ltd
Overall Score4.7 / 5
Est. Date2018-06-26
Registered Capital3000K CNY

Hebei Mingda Rubber Products Co., Ltd., registered at No. 239 Qianduqiao Village, Duqiao Town, Jing County, Hengshui City, Hebei Province, with the registration authority of Jing County Market Supervision Administration and the legal representative of Liu Donghong, is engaged in the production and sales of sealing components, sealing frames, nylon, plastics, polyurethane products, rubber products, waterstops, waterstops, high-pressure rubber hoses, low-pressure rubber hoses, hydraulic assemblies, metal hoses, compensators, metal products, mining machinery accessories, rollers, molds, intelligent hydraulic manhole covers, conveyor belts, insulation materials, wear-resistant materials, grounding terminals, connecting wires, injection molding, lathe processing. (Business activities that require approval by law can only be carried out after approval by relevant departments.). Core products: Bolt Protection Cap, Greenhouse Mold Card, Injection Molded Plastic Parts

Top 3
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Jingxian Lanjuan Rubber Products Co., Ltd
Overall Score4.7 / 5
Est. Date2022-10-08
Registered Capital100K CNY

Jingxian Lanjuan Rubber and Plastic Products Co., Ltd. is registered in Duqiao Town Industrial Park, Jingxian County, Hengshui City, Hebei Province. The registration authority is Jingxian Market Supervision Administration Bureau, and the legal representative is Chen Yulan. The business scope includes general projects: production and sales of rubber and plastic products. (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: Bolt Protection Cap, Rubber Products, Nylon Products

TOP4
Henan Dengtian Construction Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2021-01-08
Registered Capital1000K CNY

Henan Dengtian Construction Equipment Co., Ltd., with its registered address at No. 1507, 15th floor, Building 3, Jiangtai Tianyu, No. 58 Jingguang South Road, Erqi District, Zhengzhou City, Henan Province, is registered with the Market Supervision Administration of Erqi District, Zhengzhou City. The legal representative is Luo Zhanying, and its business scope includes general projects such as sales of building materials; Sales of steel reinforcement products for construction; Rubber product manufacturing; Sales of rubber products; Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Sealing component manufacturing; Sales of seals; Steel rolling processing; Manufacturing of metal structures; Sales of metal structures; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Sales of building decoration materials; Manufacturing of specialized machinery for the production of building materials; Manufacturing of metal materials; Sales of metal materials; Production of refractory materials; Sales of refractory materials; Sales of insulation materials; Sales of anti-corrosion materials; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Lime and gypsum manufacturing; Sales of lime and gypsum; Manufacturing of new building materials (excluding hazardous chemicals); Paint manufacturing (excluding hazardous chemicals); Sales of coatings (excluding hazardous chemicals); Manufacturing of cement products; Sales of cement products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of wind and electric tools; Sales of construction machinery; Sales of instruments and meters; Sales of plastic products; Sales of signs for transportation and public management; Electrical equipment repair; Sales of digital video surveillance systems; Sales of labor protection equipment (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: construction engineering design; Construction project construction (for projects that require approval according to law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or permits of relevant departments). Core products: Bolt Protection Cap, Water Stop Screw, Suspended Frame

TOP5
Lusen (Shandong) Electromechanical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2021-12-31
Registered Capital20000K CNY

Lu Sen (Shandong) Electromechanical Technology Co., Ltd., registered at No. 8-307, Bo Guan Yun Zhu Dong, Jinyu Road, Rencheng District, Jining City, Shandong Province, registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City, with Han Yuteng as the legal representative. Its business scope includes general projects such as motor manufacturing; Battery manufacturing; Production of battery spare parts; Battery sales; Sales of battery spare parts; Tram sales; Mechanical equipment research and development; Sales of construction machinery; Manufacturing of construction machinery; Sales of new energy vehicle battery swapping facilities; Manufacturing of generators and generator sets; Sales of generators and generator sets; Sales of distribution switch control equipment; Sales of charging stations; Internet sales (except for the sale of goods that need to be licensed); Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Intelligent control system integration; Sales of electric bicycles; Energy storage technology services; Industrial robot manufacturing; 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: Bolt Protection Cap, Corner Tool, Accessories

TOP6
Jingxian Kunduo Rubber Products Co., Ltd
Overall Score4.5 / 5
Est. Date2022-12-28
Registered Capital2000K CNY

Jingxian Kunduo Rubber Products Co., Ltd. is registered at No. 5 Ningbei Road, Beixizhuang Village, Liufu Township, Jingxian County, Hengshui City, Hebei Province. The registration authority is Jingxian Market Supervision Administration Bureau, and the legal representative is Feng Yongtao. The business scope includes general projects: production and sales of rubber products, plastic products, nylon PTFE products, polyurethane products, polymer polyethylene, rubber seals, filter cartridges, filter materials, metal products, metal hoses, high-pressure rubber hoses, metal corrugated hoses, compensators, joints, corrugated pipes, expansion joints, mechanical parts, mechanical processing, water stop materials, water stop belts, and water stop strips. (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: Bolt Protection Cap, Silicone Foam Sealing Strip, Silicone Aeration Tube

TOP7
Hengshui Guangjiu Road and Bridge Maintenance Engineering Co., Ltd
Overall Score4.5 / 5
Est. Date2018-11-09
Registered Capital1100K CNY

Hengshui Guangjiu Road and Bridge Maintenance Engineering Co., Ltd., with its registered address in Qinjia Nantian Village, Pengdu Township, Hengshui Binhu New Area, Hebei Province, is registered with the Hengshui Binhu New Area Market Supervision and Administration Bureau. The legal representative is Wei Jiufeng, and its business scope includes road and bridge maintenance engineering construction; Production, sales, installation and maintenance of bridge expansion joints, bridge bearings, building bearings, anti buckling supports, bridge seismic tie rods, anion devices, grouting pipes, polystyrene boards, polytetrafluoroethylene boards, sealants, waterstops, waterstops, waterstops, P-type rubber, guardrail nets, geogrids, geotextiles, corrugated pipes, anchorage devices, guardrail supports, closed cell foam plates, drain pipes, rubber inflatable core molds, water collecting wells, junction boxes, hoops, shockproof anchor bolts. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Bolt Protection Cap, Bridge Junction Box, Rubber Extraction Rod

TOP8
Hebei Xingnancheng Rubber Products Co., Ltd
Overall Score4.5 / 5
Est. Date2021-04-15
Registered Capital3000K CNY

Hebei Xingnancheng Rubber and Plastic Products Co., Ltd., with its registered address at No. 890 Jingzhou Rubber and Plastic Pipe Industry Base, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision and Administration Bureau and represented by Chen Xinghai. Its business scope includes general projects such as plastic product manufacturing; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of metal materials; Sales of metal materials; Sales of metal products. (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: Bolt Protection Cap, Printing Machinery Accessories, Plastic Accessories For Wind Power Generation

TOP9
Hebei Shuoqiang Rubber Products Co., Ltd
Overall Score4.4 / 5
Est. Date2021-02-08
Registered Capital5000K CNY

Hebei Shuoqiang Rubber Products Co., Ltd. is registered at No. 105 Caochang Village, Duqiao Town, Jing County, Hengshui City, Hebei Province. The registration authority is Jing County Market Supervision Administration, and the legal representative is Chen Qian. Its business scope includes the manufacturing of other rubber products. Production, processing, and sales: plastic products, polyurethane products, rubber products, metal hoses, high-pressure oil pipes, O-rings, oil seals, oil pipe joints, wire joints, coal mine joints, stainless steel joints, nylon resin pipes and assemblies, automotive and engineering machinery components, armored rubber hoses, high and low pressure rubber hoses, sealing rings, and sealing gaskets; Rubber hose assembly, hydraulic hose joint, transition joint, pipeline, flexible rubber head, metal hose, PTFE pipe, fluorine rubber ring, fluorine rubber product, hydraulic and pneumatic components, corrugated compensator, seal, rubber component, waterstop, waterstop, elbow flange, welded joint, nylon product, hydraulic accessory, mining accessory; Flotation machine accessories, flotation machine stator and rotor, rubber lined pipelines, rubber flow parts for slurry pumps, sieve plates * * (projects that require approval by law can only be operated after approval by relevant departments). Core products: Bolt Protection Cap, Wind Power Accessories, Plastic Wheel

TOP10
Hengshui Laihao Rubber Products Co., Ltd
Overall Score4.4 / 5
Est. Date2024-06-17
Registered Capital100K CNY

Hengshui Laihao Rubber Products Co., Ltd. is registered at Hengshui Runlu Business Hall, 959 Township Road, Houliufu Township, Jing County, Hengshui City, Hebei Province. The registration authority is Jing County Market Supervision Administration, and the legal representative is Zhang Jie. The business scope includes general projects: rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Synthetic fiber manufacturing; Sales of synthetic fibers; Sealing component manufacturing; Sales of seals; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of metal daily necessities; Sales of metal products; Mechanical parts and component processing; Sales of mechanical parts and components. (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: Bolt Protection Cap, Silicone Sealing Strip, Inflatable Sealing Ring

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Keyao Rubber and Plastic Technology Co., Ltd2016-03-18Bolt Protection Cap, Three Way Fittings For Grouting Pipes, Elastic Pad20600K CNYNot Supported
Hebei Mingda Rubber Products Co., Ltd2018-06-26Bolt Protection Cap, Greenhouse Mold Card, Injection Molded Plastic Parts3000K CNYSupported
Jingxian Lanjuan Rubber Products Co., Ltd2022-10-08Bolt Protection Cap, Rubber Products, Nylon Products100K CNYSupported
Henan Dengtian Construction Equipment Co., Ltd2021-01-08Bolt Protection Cap, Water Stop Screw, Suspended Frame1000K CNYSupported
Lusen (Shandong) Electromechanical Technology Co., Ltd2021-12-31Bolt Protection Cap, Corner Tool, Accessories20000K CNYSupported
Jingxian Kunduo Rubber Products Co., Ltd2022-12-28Bolt Protection Cap, Silicone Foam Sealing Strip, Silicone Aeration Tube2000K CNYSupported
Hengshui Guangjiu Road and Bridge Maintenance Engineering Co., Ltd2018-11-09Bolt Protection Cap, Bridge Junction Box, Rubber Extraction Rod1100K CNYSupported
Hebei Xingnancheng Rubber Products Co., Ltd2021-04-15Bolt Protection Cap, Printing Machinery Accessories, Plastic Accessories For Wind Power Generation3000K CNYSupported
Hebei Shuoqiang Rubber Products Co., Ltd2021-02-08Bolt Protection Cap, Wind Power Accessories, Plastic Wheel5000K CNYSupported
Hengshui Laihao Rubber Products Co., Ltd2024-06-17Bolt Protection Cap, Silicone Sealing Strip, Inflatable Sealing Ring100K CNYSupported

Knowledge Base

Q

In a large-scale railway construction project, the internal wire pipe segment bolt protective cap provided by Puyang Xiaoyang Building Materials Co., Ltd. played a key role. In response to the complex railway mining environment, the company has customized specific models of protective caps, effectively preventing bolts from being corroded and damaged, greatly improving the service life and safety of equipment.

Q

This article reveals the function, material selection, and daily maintenance points of subway bolt protection caps, and analyzes how this small accessory protects track safety and makes subway operation more stable and reliable.

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