Longrun rubber
Custom Rubber Molded Parts
- Founded
- 2005
- Headquarters
- Name: TommyLiu / Victor Hang Email: tommyliu@longrunrubber.com / hang@longrunrubber.com Tel: +86 13006697998 WhatsApp: +86 13006697998 Address: 7# factory building, No. 27 Songbailing Avenue, The start-up area of China-South Korea Huizhou Industrial Park, Zhongkai High-tech Zone, Huizhou, Guangdong, 516302, China.
- Factory Area
- 10,000 m²
- Employees
- 120
- Main Products
- Custom Rubber Molded Parts
- Export Ratio
- 80%
- Contact via WhatsApp
About Us
Longrun Rubber Products Co., Ltd. was established in China in 2005. We engage in providing customers with world-class custom molded rubber products of superior quality.We provide end-to-end service with our professional team, ensuring all your unique needs are not only met but exceeded. Count on us for the expertise and problem-solving you can rely on. Our products have been widely used in multiple industries, such as automobile, mechanism, home appliances, consumer electronics, medical, food and telecommunication. They feature high abrasion resistance, high tensile strength, excellent elongation, high corrosion resistance, superior ozone and ultraviolet ray resistance, flame resistance, compression resistance, high and low temperature resistance, high insulation or conductivity, and are suitable for both dynamic and static sealing applications.
Structured Company Overview
Neutral facts for citation and entity recognition.
- Legal Name
- Longrun rubber
- Established
- 2005
- Ownership
- Private
- Production Model
- OEM
- Annual Output
- 10000K usd dollar
- R&D Team
- 20 engineers
Product Specification Database
Each model is a structured row. No narrative descriptions.
| Name | Model | Type | Material | Applicable Industry | |||||
|---|---|---|---|---|---|---|---|---|---|
| Rubber washers | 1 Sealing Washer 2 Vibration Damping Washer 3 Insulating Washer 4 Waterproof Washer 5 Cushion Washer | Custom-made:(EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | ||||||
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Type 1 Sealing Washer
2 Vibration Damping Washer
3 Insulating Washer
4 Waterproof Washer
5 Cushion Washer Applicable Industry Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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| Rubber o-rings | 1 Static Seal O-Ring 2 Dynamic Seal O-Ring 3 Hydraulic O-Ring 4 Pneumatic O-Ring 5 Food-grade O-Ring 6 Medical-grade O-Ring | Custom-made:(EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Custom-made | ||||||
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Type 1 Static Seal O-Ring
2 Dynamic Seal O-Ring
3 Hydraulic O-Ring
4 Pneumatic O-Ring
5 Food-grade O-Ring
6 Medical-grade O-Ring Applicable Industry Custom-made Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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| Rubber dampers | 1 Machinery Vibration Damper 2 Automotive Rubber Damper 3 Electronic Equipment Damper 4 Pipe/Vibration Mount Damper | Custom-made:(EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | ||||||
|
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Type 1 Machinery Vibration Damper
2 Automotive Rubber Damper
3 Electronic Equipment Damper
4 Pipe/Vibration Mount Damper Applicable Industry Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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| Rubber grommets | 1 wire/cable protection grommets 2 Sealing/Waterproof/Dustproof grommet 3 Vibration/Damping grommet | Custom-made: (EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | ||||||
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Type 1 wire/cable protection grommets
2 Sealing/Waterproof/Dustproof grommet
3 Vibration/Damping grommet Applicable Industry Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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| Rubber seals | 1 Hydraulic seals 2 Pneumatic seals 3 Oil/engine seals 4 High-temperature seals 5 Low-temperature / cryogenic seals 6 Chemical-resistant seals 7 Food-grade / FDA-approved seals 8 Medical-grade seals 9 High-pressure seals | Custom-made:(EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | ||||||
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Type 1 Hydraulic seals
2 Pneumatic seals
3 Oil/engine seals
4 High-temperature seals
5 Low-temperature / cryogenic seals
6 Chemical-resistant seals
7 Food-grade / FDA-approved seals
8 Medical-grade seals
9 High-pressure seals Applicable Industry Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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| Rubber gasket | 1 Oil-resistant gaskets 2 Chemical-resistant gaskets 3 High-temperature gaskets 4 Low-temperature / cryogenic gaskets 5 Food-grade / FDA-approved gaskets 6 Medical-grade gaskets High-pressure / flange gaskets | Custom-made:(EPDM) (NBR / Buna-N) (NR) (CR / Neoprene) (FKM / Viton) (SBR) (HNBR) Silicone Rubber (SiR / VMQ)（Medical Grade Silicone Rubber） | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | ||||||
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Images
Type 1 Oil-resistant gaskets
2 Chemical-resistant gaskets
3 High-temperature gaskets
4 Low-temperature / cryogenic gaskets
5 Food-grade / FDA-approved gaskets
6 Medical-grade gaskets
High-pressure / flange gaskets Applicable Industry Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical Params Custom-made：hardness / dimensions / color / physical properties. Scope |
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Certifications & Compliance
Each record can become a certification entity page.
Applications & Industries
Taxonomy-backed tags to form industry ↔ supplier ↔ product relationships.
| Industry | Country | Working Condition | Project Type | Function | Operation Mode | Special Requirement | Matched Equipment |
|---|---|---|---|---|---|---|---|
| Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | US,DE,AU,GB,FR,CH,ES,TR,CA,IT,MX,PT,RU | high temperature,low temperature,high pressure, vibration, chemical exposure, and various enviroments. | Production and assembly of Automotive/Industrial/Energy/Medical/Food/Electrical components | sealing, vibration damping, dustproof, waterproof,Corrosion-resistant,oil-resistant protection | Assembled according to different customers’ assembly processes | according to customer requirement | according to different customer assembly scenarios and application |
Industries (1) → Products (6 models) → Certifications (2)
Manufacturing Capabilities
Core processes and equipment available in-house.
🎨
Customization
Rubber Molded Parts
📊
Monthly Capacity
According to customer requirements
⏱️
Lead Time
20 days
🌍
Export Markets
Global
💬
After Sales
Warranty & Returns / Technical Assistance
🧪
Quality Control
100% test
Project References / Cases
Verified project records. Client names anonymized where requested.
| Client Type | Country | Quantity | Application | Duration | Result | Highlight |
|---|---|---|---|---|---|---|
| Food/Medical/Machinery/Sanitary | US | 3000k units/ per year | 1 Vibration and Noise Reduction 2 Cushioning and Protection 3 Dustproof and Waterproof Protection 4 Resistance to Heat and Chemicals | 5 years | Tensile strength ≥ 8 Mpa Elongation at break ≥ 450％ Tear strength ≥ 35 KN/m | long lifespan，Cpk > 1.33，Defect rate < 150 ppm，Precise dimensions |
| Automotive Rubber Parts OEM | US | 1000k units/ per year | shock absorption and noise reduction, sealing and leakage prevention, conveying media, and protection of transmission components. | 5 years | Tensile strength ≥ 7 Mpa Elongation at break ≥ 400％ Tear strength ≥ 15 KN/m | long lifespan，Cpk > 1.33，Defect rate < 150 ppm，Precise dimensions，Rubber bonds firmly to plastic. |
Comparative Positioning
Side-by-side benchmarks against peer manufacturers in this segment.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| Standard Rubber Solution Providers | 1，One-stop OEM/ODM rubber solution 2，Stable quality control with strict inspection system，Certified with IATF 16949 and ISO 9001 quality management systems 3, Different material and compund formulation support based on different application environments and performance requirements. 4, Engineering support for tooling design and structure optimization. 5, Capable of producing FDA and medical-grade rubber components 6，Rich experience in automotive, machinery,food,medical and industrial OEM projects. | 1, Cpk > 1.33 2, Defect rate lower than 150 ppm 3, 99% on-time delivery 4, Served customers in over 60 countries 5, 3000+ customized projects developed | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | Initial unit cost same, but total ownership cost reduced by 25% over 3 years 1,Lower long-term defect and maintenance cost 2,Stable quality reduces production downtime risk 3,Optimized formulation improves product lifespan | 1，Improved dimensional precision for automated assembly 2，Better sealing and vibration damping performance 3，Longer service life under harsh environments 4，Higher resistance to heat, oil, ozone and corrosion |
Risk & Trust Signals
Aggregated data-driven indicators. Not an endorsement.
✓ Overall Trust Score
78/100
Based on 14 verified signals
✓ Positive Signals
Trade RegistrationVerified
Alibaba Gold SupplierYes (5+ yrs)
Audited by 3rd Party2024
On-time Delivery Rate94%
⚠ Risk Items
1 Short shot / Insufficient filling
2 Bubbling / Air bubbles / Blistering
3 Under-cured / Incompletely curedStrictly control the process in accordance with FMEA and the Control Plan (CP).
Enterprise MeasureKey positions are assigned to qualified professionals for strict supervision. All quality-related personnel must undergo systematic training before taking up their positions. All products are 100% inspected by CCD (automated vision inspection).
ℹ Additional Info
Last Verified2026-05-26 14:14:23
Data SourcesAICPA, Alibaba, TÜV
Profile Completeness91%
Purchase & Trade Information
Trading terms and procurement details.
ℹ Purchase Details
MOQThe MOQ and unit price vary for each product.
Delivery MethodEXW / FOB ShenZhen
Acceptancepre-shipment test / third-party inspection（usually is appointed by the client）
Payment TermsFull payment after receipt of goods
Product Comparison
Comparative analysis against alternative solutions.
| Compared To | Difference | Performance Gap | Best For | Cost Difference | Efficiency |
|---|---|---|---|---|---|
| Standard Rubber Solution Providers | 1，One-stop OEM/ODM rubber solution 2，Stable quality control with strict inspection system，Certified with IATF 16949 and ISO 9001 quality management systems 3, Different material and compund formulation support based on different application environments and performance requirements. 4, Engineering support for tooling design and structure optimization. 5, Capable of producing FDA and medical-grade rubber components 6，Rich experience in automotive, machinery,food,medical and industrial OEM projects. | 1, Cpk > 1.33 2, Defect rate lower than 150 ppm 3, 99% on-time delivery 4, Served customers in over 60 countries 5, 3000+ customized projects developed | Automotive/Industrial/Machinery/Energy/Medical/Food/Electrical | Initial unit cost same, but total ownership cost reduced by 25% over 3 years 1,Lower long-term defect and maintenance cost 2,Stable quality reduces production downtime risk 3,Optimized formulation improves product lifespan | 1，Improved dimensional precision for automated assembly 2，Better sealing and vibration damping performance 3，Longer service life under harsh environments 4，Higher resistance to heat, oil, ozone and corrosion |