Plastics & rubber

Custom Rubber ORings China Factory | Premium Sealing Solutions Suppliers

IBG is a leading China factory and professional suppliers of custom rubber O-rings. We offer precision-molded seals in Silicone, EPDM, FKM, and NBR, certified by IATF16949 and ISO9001. With a capacity of 10 million pieces monthly, we provide durable, high-temperature resistant sealing solutions for aerospace, medical, and food-grade applications.

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About this product

Product information from the supplier.

Our premium Custom Rubber O-Rings are engineered to provide leak-proof sealing solutions across the most demanding industrial environments. Available in a wide array of materials including Silicone, EPDM, FKM, and Nitrile, these seals are precision-molded to meet exact specifications, ensuring optimal performance in aerospace, military, semiconductor, and food-grade applications.

Whether you require standard sizes from 1 to 6 inches or complex custom drawings, our facility leverages advanced moulding technology and a dedicated raw material laboratory to deliver high-durability seals. From extreme temperature resistance in photovoltaic furnaces to food-safe certifications, we provide the reliability your critical infrastructure demands.

Detailed Parameters

Material OptionsFKM, Silicone, EPDM, NBR, HNBR, NR, FFKM Available SizesStandard & Custom Drawings (1-6 Inch)
Hardness Range5-90 Shore A Processing ServicePrecision Moulding
CertificationsIATF16949, ISO9001, ROHS, LFGB, Food Grade OriginChina
MOQ100 Pieces ColorBlack or Custom Colorful
Main ApplicationsAerospace, Semiconductor, Medical, Food, Auto Brand NameIBG

Key Advantages

Certified Quality

Fully compliant with IATF16949 and ISO9001 standards with 10 specialized quality inspectors.

Rapid Response

24/7 quick reply service and professional pre-sales technical support for all inquiries.

Material Expertise

In-house raw material lab supporting common (NBR/EPDM) and special (FFKM/FVMQ) elastomers.

Custom Engineering

Professional design team providing OEM/ODM services and detailed size recommendations.

Extreme Resistance

Specialized seals capable of withstanding temperatures between 300-400℃ for high-tech use.

Risk-Free Order

100% refund or re-dispatch guarantee for any unqualified products delivered.

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Management Platforms

Raw Material Lab

In-house testing to ensure precise material composition and performance stability.

Design Department

Specialized OEM/ODM services with strict confidentiality agreements for your designs.

Quality Inspection

Strict adherence to international standards with 10 dedicated quality controllers.

Supply Chain

Integrated supply chain supporting a capacity of 10 million pieces per month.

Logistics Control

Professional and environmentally friendly packaging ensuring safe global delivery.

After-Sales Support

Regular production updates and a 100% refund guarantee for unqualified goods.

Investment Return Comparison

Material TypeTemperature RangeIdeal Application
Nitrile (NBR)-40ºF to 250ºFPetroleum Oils & Gasoline
EPDM-60ºF to 300ºFSteam & Weather Resistance
FKM/FPM0ºF to 390ºFHigh-Temp Petroleum Oils
Silicone (VMQ)-90ºF to 430ºFFood Grade & Vegetable Oil
FFKM0ºF to 600ºFExtreme Chemical Media

Frequently Asked Questions

Q: How do you ensure the quality of custom rubber parts?

We maintain strict quality control through ISO9001 and IATF16949 certifications, employing 10 dedicated inspectors who ensure every part meets international standards.

Q: What is your monthly production capacity for O-rings?

Our integrated supply chain allows us to produce up to 10,000,000 pieces per month, ensuring timely delivery even for large-scale orders.

Q: Do you provide OEM services and design protection?

Yes, we have a professional design department. All OEM projects are covered by a strict "business secret contract" to ensure your intellectual property is safe.

Q: Can I request a small trial order before committing to a bulk purchase?

Absolutely. Small orders are welcome, and we provide free samples for first-time customers to verify quality and fit.

Q: Which rubber material is best for high-temperature diffusion furnaces?

For photovoltaic high-temperature diffusion furnaces, we have specially developed sealing rings with temperature resistance ranging from 300-400℃.

Q: What certifications do your food-grade silicone seals hold?

Our food-grade products are certified under ROHS and LFGB standards, ensuring they are safe for use in food and medical equipment.

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