Updated May 25, 2026 · Public platform & industry data

May 25, 2026 Updated

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2026 Top 10 Tighten The Seal Manufacturers in China

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Top-rated Tighten The Seal suppliers, How to choose a Tighten The Seal manufacturer, Best Tighten The Seal companies in China

The top 10 Tighten The Seal manufacturers in China for 2026 are: Langfang Yihang Energy saving Technology Co., Ltd, Hebei Zhenghao Fastener Manufacturing Co., Ltd, Langfang Ruixu Sealing Materials Co., Ltd, Nanjing Yingpaile Fluid Technology Co., Ltd, Langfang Yuankun Sealing Materials Co., Ltd, Beijing Handasen Machinery Technology Co., Ltd, Yimei Machinery Equipment Manufacturing Co., Ltd, Jiaohui Fastener Sales Co., Ltd., Yongnian District, Handan City, Middling coal Agriculture and Forestry Technology Co., Ltd, Huakuang Heavy Industry Co., Ltd. First Branch. 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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Langfang Yihang Energy saving Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2023-03-07
Registered Capital3660K CNY

Langfang Yihang Energy saving Technology Co., Ltd., with its registered address in Xiliugezhuang Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Shi Huanqing, and its business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing and sales of insulation and sound insulation materials, lightweight building materials, fireproof sealing materials, refractory materials, coatings (excluding hazardous chemicals), ecological environment materials (excluding hazardous chemicals), glass fibers and products, sealing fillers (excluding hazardous chemicals), cement products, plastic products, asbestos products, seals, building waterproofing membranes, insulation materials, and chemical products (excluding licensed chemical products); Internet sales (except for the sale of goods that need to be licensed); Import and export of goods; Technology import and export. (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) Licensed project: construction project construction; Construction labor subcontracting; Construction professional operations; Road freight transportation (excluding dangerous goods). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Tighten The Seal, Tpo Waterproofing Membrane, Aerogel

Top 2
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Hebei Zhenghao Fastener Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2017-12-04
Registered Capital7500K CNY

Hebei Zhenghao Fastener Manufacturing Co., Ltd., with its registered address at Xiduan Zhuang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province, is registered with the Yongnian District Market Supervision Administration Bureau and represented by Wu Shifang. Its business scope includes the manufacturing and sales of fasteners and metal products; Sales of railway accessories, industrial and mining accessories, transportation facility accessories, photovoltaic accessories, building accessories, steel structure accessories, hardware and electrical materials, power equipment, and steel; Import and export business of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)**. Core products: Tighten The Seal, Pipe Bolt, Standard Parts

Top 3
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Langfang Ruixu Sealing Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2013-06-05
Registered Capital5000K CNY

Langfang Ruixu Sealing Materials Co., Ltd., registered in Xiaoguang'an Village, Dacheng County, registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City, represented by He Shuanglong as the legal representative. Its business scope includes processing and sales of rubber gaskets, metal winding gaskets, graphite composite gaskets, ladle gaskets, graphite gaskets, PTFE gaskets, PTFE plates, corrugated gaskets, toothed gaskets, elliptical gaskets, octagonal gaskets, and clay fillers; Sales: insulation materials, fireproof materials, polycrystalline silicon. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Ptfe Gasket, Low Pressure Waterproof Rubber Pad

TOP4
Nanjing Yingpaile Fluid Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-04-26
Registered Capital2000K CNY

Nanjing Yingpaile Fluid Technology Co., Ltd., with its registered address at No. 59 Wangqiao Road, Xiongzhou Street, Liuhe District, Nanjing City, is registered with the Market Supervision and Administration Bureau of Liuhe District, Nanjing City. The legal representative is Ye Huaijie, and its business scope includes general projects such as mechanical equipment research and development; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of general components; Manufacturing of metal seals; Sales of metal seals; Sales of high-performance sealing materials; Manufacturing of hydraulic power machinery and components (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: Tighten The Seal, Copper Oil Seal, Maze Oil Seal

TOP5
Langfang Yuankun Sealing Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2017-11-21
Registered Capital2000K CNY

Langfang Yuankun Sealing Materials Co., Ltd. is registered in Liuguxian Village, Zangtun Township, Dacheng County, Langfang City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Dacheng County, Langfang City, and the legal representative is Xue Pengkun. The business scope includes the production and sales of polytetrafluoroethylene products, packing roots, rubber products, graphite products, metal pads and sheets, biomass pellet combustion machines, packaging machines, cement foam products, silicon board equipment, non dismantling template equipment, and packaging machines; Sales: asbestos products, fiberboard, mats, fireproof materials, insulation materials, chemical products (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Graphite Gasket, Ptfe Composite Rubber Gasket

TOP6
Beijing Handasen Machinery Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2012-03-05
Registered Capital5000K CNY

Beijing Handasen Machinery Technology Co., Ltd., with its registered address at 1035, 10th floor, Building 3, Courtyard 3, Jinguan North Second Street, Nanfaxin Town, Shunyi District, Beijing, registered with the Shunyi District Market Supervision Administration of Beijing, and represented by Zhang Yucai as its legal representative. Its business scope includes technology promotion services; Selling electronic products, mechanical equipment, computers, software and auxiliary equipment (excluding computer information system security products), hardware and electrical equipment (excluding electric bicycles), needle textiles, metal materials (excluding calcium carbide and iron alloys), instruments and meters; Technology import and export; Import and export of goods; Agent import and export; Road freight transportation. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Tighten The Seal, Shock Absorber, Motor

TOP7
Yimei Machinery Equipment Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2012-08-08
Registered Capital50000K CNY

Yimei Machinery Equipment Manufacturing Co., Ltd., registered at No. 11 Kaiyuan Road North, Jining High tech Zone, with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone as the registration authority and Qu Qing as the legal representative, engages in the manufacturing and sales of mechanical equipment, mechanical electrical appliances, and accessories; Import and export business of goods and technology (excluding goods and technology prohibited or restricted by the state); Wholesale and retail of electrical machinery and equipment, hardware and chemical products (excluding hazardous chemicals), steel wire ropes, mining equipment, and steel; Installation of coal mine machinery and equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Security Rescue, Lifting Equipment

TOP8
Jiaohui Fastener Sales Co., Ltd., Yongnian District, Handan City
Overall Score4.6 / 5
Est. Date2016-05-19
Registered Capital500K CNY

Jiaohui Fastener Sales Co., Ltd. in Yongnian District, Handan City, Hebei Province, with its registered address at 16-A3 Feiyu Screw World, Hebei Pu, Linmingguan Town, Yongnian District, Handan City, Hebei Province. The registration authority is Yongnian District Administration for Industry and Commerce, and the legal representative is Han Yanxiao. Its business scope includes the sales of fasteners, industrial and mining accessories, railway accessories, building accessories, and hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)**. Core products: Tighten The Seal, Bolt, Anchor Bolt

TOP9
Middling coal Agriculture and Forestry Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2018-01-13
Registered Capital50000K CNY

Middling coal Agriculture and Forestry Technology Co., Ltd., with its registered address at 308, Floor 3, Block A, Zhongdong Building, No. 10006, Jiankang East Street, Qingchi Street Mall Community, Weifang High tech Zone, Shandong Province, is registered by the Market Supervision Administration of Weifang High tech Industrial Development Zone, and its legal representative is Zhang Zhenhang. Its business scope includes general projects: research and development of harmless utilization technology for agricultural and forestry waste recycling; Sales of mechanical equipment; Sales of agricultural machinery; Sales of agricultural, forestry, animal husbandry and fishery machinery accessories; Sales of mining machinery; Sales of railway transportation infrastructure equipment; Sales of construction machinery; Sales of rail transit engineering machinery and components; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of distribution switch control equipment; Sales of instruments and meters; Sales of electronic vacuum devices; Retail of electronic components; Sales of high-speed rail equipment and accessories; Sales of water transportation equipment; Electronic product sales; Sales of intelligent robots; Sales of industrial robots; Sales of intelligent unmanned aerial vehicles; Sales of mechanical parts and components; Sales of chemical products (excluding licensed chemical products); Sales of lubricating oil; Sales of metal products; Sales of non-metallic minerals and products; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Fruit cultivation; Crop pest and disease control services; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: retail of pesticides. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Tighten The Seal, Mechanical Hardware, Drainage Equipment

TOP10
Huakuang Heavy Industry Co., Ltd. First Branch
Overall Score4.4 / 5
Est. Date2023-02-10
Registered Capital-

Huakuang Heavy Industry Co., Ltd. First Branch, with its registered address at Room 807, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, China. The registration authority is the Market Supervision Administration of Rencheng District, Jining City, and the legal representative is Wang Chen. Its business scope includes licensed projects such as railway transportation infrastructure equipment manufacturing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General project: Mining machinery manufacturing; Sales of mining machinery; Mechanical equipment research and development; Sales of railway transportation equipment; Intelligent basic manufacturing equipment manufacturing; Sales of intelligent basic manufacturing equipment; Import and export of goods; Technology import and export; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Tighten The Seal, Lifting Equipment, Instrumentation And Meters

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Langfang Yihang Energy saving Technology Co., Ltd2023-03-07Tighten The Seal, Tpo Waterproofing Membrane, Aerogel3660K CNYNot Supported
Hebei Zhenghao Fastener Manufacturing Co., Ltd2017-12-04Tighten The Seal, Pipe Bolt, Standard Parts7500K CNYSupported
Langfang Ruixu Sealing Materials Co., Ltd2013-06-05Tighten The Seal, Ptfe Gasket, Low Pressure Waterproof Rubber Pad5000K CNYSupported
Nanjing Yingpaile Fluid Technology Co., Ltd2021-04-26Tighten The Seal, Copper Oil Seal, Maze Oil Seal2000K CNYNot Supported
Langfang Yuankun Sealing Materials Co., Ltd2017-11-21Tighten The Seal, Graphite Gasket, Ptfe Composite Rubber Gasket2000K CNYSupported
Beijing Handasen Machinery Technology Co., Ltd2012-03-05Tighten The Seal, Shock Absorber, Motor5000K CNYNot Supported
Yimei Machinery Equipment Manufacturing Co., Ltd2012-08-08Tighten The Seal, Security Rescue, Lifting Equipment50000K CNYNot Supported
Jiaohui Fastener Sales Co., Ltd., Yongnian District, Handan City2016-05-19Tighten The Seal, Bolt, Anchor Bolt500K CNYSupported
Middling coal Agriculture and Forestry Technology Co., Ltd2018-01-13Tighten The Seal, Mechanical Hardware, Drainage Equipment50000K CNYNot Supported
Huakuang Heavy Industry Co., Ltd. First Branch2023-02-10Tighten The Seal, Lifting Equipment, Instrumentation And Meters-Supported

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