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High-performance rubber sealing solutions engineered for extreme conditions — heat, oil, ozone, and chemicals. Trusted by industries worldwide.
We are a leading manufacturer and exporter of high-quality rubber sealing products based in Ningbo, Zhejiang, China. With a strong commitment to excellence, we specialize in FKM O Ring Seals, Silicone O Ring Seals, NBR O Rings, EPDM Rubber O Rings, PTFE Gaskets, and custom molded rubber parts.
Our mission is to deliver reliable, durable, and precision-engineered sealing solutions that meet international standards including AS568, FDA, and military specifications. Quality is our top priority — from raw material selection to final inspection.
Engineered for performance, durability, and reliability in demanding environments — from automotive to aerospace, medical to heavy machinery.
Every product undergoes strict quality control to ensure dimensional accuracy, material integrity, and performance reliability.
Engineered for extreme temperatures, pressure, and chemical exposure — ideal for aerospace, automotive, and industrial applications.
We offer custom molding, cord extrusion, and gasket fabrication to meet your exact specifications and application needs.
Trusted by customers worldwide. Fast response, reliable delivery, and technical support available in multiple languages.
We offer FKM (Viton), Silicone (VMQ), NBR (Nitrile), EPDM, CR (Neoprene), and PTFE-based seals. Custom material blends are also available upon request.
Yes, we offer FDA-compliant silicone and EPDM O-rings suitable for food, beverage, and medical device applications.
Absolutely. We specialize in custom molding and extrusion for non-standard sizes, including O-ring cords and gaskets.
Our products meet AS568, ISO 3601, and JIS B 2401 standards. We also comply with military and aerospace specifications when required.
MOQ varies by product and customization level. Contact us for specific pricing and volume discounts.
Have questions about our O-rings or need a custom quote? Reach out to our team for expert support.
For inquiries, please visit our official website to send a message or request a callback.
Visit Official WebsiteEmail: tiffany@rb-oring.com
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