Molded Rubber Products Manufacturer in China | Custom Rubber Molding Solutions for Automotive, Industrial & Food Applications
Custom Molded Rubber Products for Demanding Industrial Applications
When a product needs to seal tightly, absorb vibration, resist chemicals, or survive extreme temperatures, molded rubber products are often the hidden component making everything work reliably.
At Xiamen Jinshun Sealing Technology, we manufacture custom molded rubber products for automotive, water treatment, sanitary ware, electronics, food-grade systems, machinery, and industrial equipment. Since 2002, we have helped global OEM brands, distributors, and industrial buyers develop durable rubber components that perform consistently in real-world conditions.
From small precision rubber grommets to large heavy-duty molded rubber parts, we provide complete OEM and ODM manufacturing services backed by ISO-certified production systems and strict material control.
Whether you need EPDM rubber parts for outdoor sealing, silicone rubber products for drinking water systems, or NBR molded components for oil resistance, our engineering team can help you select the right compound and production process.

Why Global Buyers Choose Our Molded Rubber Products
Industrial buyers today care about more than price. They want stable quality, material traceability, fast tooling support, and long-term supply reliability.
That is exactly where Xiamen Jinshun Sealing Technology stands out.
More Than 20 Years of Rubber Manufacturing Experience
Established in 2002, we specialize in:
- Custom molded rubber products
- Rubber O-rings and sealing systems
- Silicone tubes and gaskets
- Automotive rubber components
- RO membrane seals
- Food-grade rubber parts
- Waterproof and sanitary sealing solutions
- Our products are widely used in:
- Automotive systems
- Kitchen & bathroom equipment
- Drinking water systems
- Home appliances
- Industrial machinery
- Electrical and electronic devices
- Marine and HVAC equipment
Custom Rubber Molding Capabilities
We support both low-volume prototyping and large-scale mass production.
Available Rubber Molding Processes
| Manufacturing Process | Advantages | Typical Applications |
|---|---|---|
| Compression Molding | Cost-effective for medium and large rubber parts | Gaskets, bellows, seals |
| Injection Molding | High precision and fast cycle times | Automotive rubber parts |
| Transfer Molding | Ideal for complex geometries | Rubber diaphragms |
| Rubber-to-Metal Bonding | Strong structural connection | Engine mounts, bushings |
| Extrusion + Secondary Molding | Continuous profiles with molded ends | Tubes and connectors |
Our molding press capacity ranges from 50 tons to 500 tons, allowing us to manufacture both miniature precision parts and large industrial rubber products.
Materials Available for Custom Molded Rubber Products
Choosing the correct rubber compound directly impacts product life, sealing performance, and safety compliance.
We offer a wide range of elastomer materials for different applications.
Rubber Material Options
| Material | Key Advantages | Temperature Range | Common Applications |
|---|---|---|---|
| EPDM | Excellent weather and ozone resistance | -50°C to +150°C | Outdoor seals, water systems |
| NBR (Nitrile) | Oil and fuel resistance | -30°C to +120°C | Automotive and hydraulic systems |
| Silicone | Food-grade and high-temperature resistant | -60°C to +250°C | Drinking water and food equipment |
| FKM / Viton® | Superior chemical resistance | -20°C to +250°C | Chemical and fuel systems |
| Neoprene (CR) | Balanced weather and oil resistance | -40°C to +120°C | Industrial sealing |
| Natural Rubber (NR) | High elasticity and abrasion resistance | -50°C to +80°C | Shock absorption |
All raw materials can comply with:
- ROHS
- REACH
- PAHS
- FDA
- NSF
- LFGB
- WRAS
- ACS
- KTW-W270
- UL
Product Range of Molded Rubber Products
We manufacture a broad range of OEM molded rubber components.
Common Molded Rubber Products We Produce
Rubber Grommets
Used for cable protection, waterproofing, and vibration isolation in automotive and electrical systems.
Rubber Bellows and Boots
Protect moving components from dust, mud, water, grease, and chemicals.
Rubber Bushings
Reduce vibration and noise in suspension systems and industrial machinery.
Rubber Seals and Gaskets
Prevent leakage in water systems, automotive assemblies, pumps, valves, and appliances.
Rubber Diaphragms
Provide flexible sealing in pumps, pressure regulators, and fluid control systems.
Air Intake Hoses and Ducts
High-performance molded rubber hoses for automotive and HVAC applications.
Rubber Bumpers and Stops
Designed for shock absorption and equipment protection.
Technical Specifications
Molded Rubber Products Specifications
| Item | Specification |
|---|---|
| Product Name | Molded Rubber Products |
| Manufacturing Method | Compression / Injection / Transfer Molding |
| Materials | EPDM, NBR, Silicone, FKM, CR, NR |
| Hardness Range | 20–90 Shore A |
| Temperature Resistance | -60°C to +250°C |
| Colors | Black, White, Red, Blue or Customized |
| Size | Fully Customized |
| Tolerance | High Precision OEM Tolerance |
| Certifications | FDA, NSF, WRAS, LFGB, ROHS, REACH |
| MOQ | Based on product size and tooling |
| Tooling Time | About 7–15 Days |
| Sample Lead Time | 5–10 Days |
| Production Lead Time | 12–20 Days |
| OEM/ODM Service | Available |
| Origin | Xiamen, China |
High-Performance Rubber Products Built for Harsh Environments
Not all molded rubber parts are created equal.
Low-quality rubber components often fail because of:
- Poor compression set resistance
- Cracking under UV exposure
- Swelling in oil or chemicals
- Hardening at low temperatures
- Weak bonding strength
Our engineering team focuses on solving these problems during material formulation and tooling development.
Key Performance Advantages
Excellent Compression Set Resistance
Our custom rubber compounds maintain sealing force over long service cycles, reducing leakage risk.
Strong Weather Resistance
EPDM and silicone materials perform exceptionally well in outdoor environments exposed to UV, ozone, and moisture.
Chemical Compatibility
FKM and NBR compounds provide reliable resistance against fuels, oils, grease, detergents, and industrial chemicals.
Long-Term Durability
High-quality rubber formulations extend service life and reduce maintenance costs for OEM customers.
Industries We Serve
Automotive Industry
Air intake systems
Brake systems
Suspension components
Engine vibration mounts
Wiring harness protection
Food & Drinking Water Industry
FDA silicone seals
NSF-certified gaskets
Beverage machine tubing
Water filtration seals
Electronics & Appliances
Waterproof seals
Anti-vibration mounts
Cable entry grommets
Industrial Equipment
Hydraulic sealing systems
Pump diaphragms
Machinery vibration isolators

OEM & ODM Rubber Product Development
We support customers from concept to mass production.
Our OEM Workflow
- Drawing or sample review
- Material recommendation
- Mold design and tooling
- Prototype sampling
- Performance testing
- Mass production
- Quality inspection
- Global shipment
Our engineering team can also help optimize:
- Wall thickness
- Sealing performance
- Compression ratio
- Material selection
- Moldability
- Production cost
Quality Control You Can Trust
Consistency matters in industrial rubber manufacturing.
Our factory operates under:
- ISO9001:2015
- ISO14001:2015
Every production batch undergoes:
- Raw material inspection
- Hardness testing
- Tensile testing
- Compression set testing
- Dimensional inspection
- Visual quality checks
We also support third-party inspections from:
- SGS
- TUV
- Intertek
- BV
Why Buyers Prefer Working with Xiamen Jinshun Sealing Technology
Fast Customization Support
Quick mold development and flexible production scheduling help shorten your product launch cycle.
Stable Global Supply
We support OEM brands, wholesalers, and industrial distributors worldwide.
Competitive Manufacturing Costs
Efficient production management reduces tooling and unit costs without sacrificing quality.
Engineering Support
Our experienced rubber engineers help customers choose the right material and structure for long-term reliability.
FAQs About Molded Rubber Products
What are molded rubber products used for?
Molded rubber products are used for sealing, vibration control, waterproofing, insulation, and fluid transfer in automotive, industrial, food-grade, and electronic applications.
Which rubber material is best for outdoor use?
EPDM rubber is one of the best choices for outdoor applications because it resists UV, ozone, moisture, and weather aging.
Can you manufacture FDA food-grade rubber products?
Yes. We produce FDA-compliant silicone and rubber parts for food processing, drinking water, coffee machines, and sanitary systems.
Do you support custom shapes and sizes?
Absolutely. We provide fully customized molded rubber products based on drawings, samples, or technical requirements.
What file formats do you accept for OEM projects?
We accept:
- STEP
- STP
- IGS
- X_T
- DWG
- PDF drawings
Can you provide samples before mass production?
Yes. Prototype samples are available for testing and approval before mass production begins.
What is your typical production lead time?
Tooling usually takes 7–15 days. Mass production generally takes 12–20 days depending on order quantity and product complexity.
Partner with a Reliable Molded Rubber Products Manufacturer
If you are sourcing custom molded rubber products for automotive, sanitary, industrial, water treatment, or appliance applications, choosing the right supplier makes a major difference in long-term product quality and supply stability.
Xiamen Jinshun Sealing Technology combines advanced rubber molding capabilities, strict quality systems, and over 20 years of manufacturing experience to help global buyers reduce risk and improve product performance.
Whether you need custom rubber seals, grommets, bellows, bushings, or complex molded rubber assemblies, our team is ready to support your next OEM or ODM project.
Ready to develop your next custom molded rubber product?
Xiamen Jinshun Sealing Technology Co., Ltd.
Website: www.jinshunsealing.com
Email: ywb6@jinshunxm.com
Tel: +86-592-7155518
Request a free quotation, material recommendation, or prototype consultation today.












