Custom Rubber Extrusions & Sealing Profiles
IATF 16949 Certified | 100% Rubber Virgin Material | Factory-Direct OEM Solutions
Custom Solid Rubber Extrusion Profiles
Engineered from 100% virgin EPDM, NBR, and Silicone for automotive and industrial sectors. These solid profiles offer precise tolerance control and superior weather resistance, ensuring long-term sealing performance in various harsh environments.
Co-Extruded Composite Rubber Seals
Integrating dense rubber, sponge bulb, and steel core into one robust profile. These composite seals provide powerful clamping force and vibration isolation, ideal for heavy machinery, shipping containers, and vehicle doors requiring secure fitment.
Closed-Cell Sponge Rubber Weatherstrips
Featuring ultra-low compression set technology for rapid shape recovery. Our closed-cell foam sponge seals deliver excellent water-tightness and shock absorption, widely used in electrical cabinets, hatches, and HVAC systems needing high elasticity.
TPE, TPV & Plastic Sealing Profiles
Eco-friendly alternatives with precise color matching capabilities. These custom PVC and TPE extrusions offer lightweight durability and full RoHS compliance, perfect for architectural glazing, furniture edges, and decorative sealing projects.
Backed by IATF 16949 certified processes, OKIN specializes in engineering high-performance custom rubber parts. Our capabilities span precision EPDM co-extrusions, closed-cell sponge profiles, and complex injection-molded components. Using 100% virgin materials and advanced microwave vulcanization, we ensure every product delivers superior weather resistance and dimensional stability.
From rapid prototyping to mass production, we provide factory-direct efficiency for global OEMs. Whether you need sealing systems for automotive assembly, heavy machinery, or architectural glazing, our rigorous quality assurance and reliable supply chain management ensure your exact specifications are met on time, every time.
20+ Years Manufacturing Custom Rubber Extrusions & Molded Parts
Since 2005, OKIN has served clients in over 50 countries, evolving from a local manufacturer to a global OEM partner. We leverage an extensive database of existing molds—covering marine, container, and infrastructure sectors—to significantly reduce your tooling costs and lead times. By combining deep industry expertise with rigorous quality control, we deliver reliable, zero-defect sealing solutions for your most demanding applications.
Rubber Sealing Strips: Automotive, Construction & Railway
Engineered for versatility, our rubber sealing strips deliver superior weatherproofing and shock absorption. From automotive edge trims and marine container seals to heavy-duty industrial profiles, we provide custom sealing solutions tailored to your specific operational environment.
Architectural Door & Window Seals
Engineered from premium EPDM and Silicone, these profiles deliver superior thermal insulation and weatherproofing. They effectively block water infiltration and air leakage, ensuring long-term energy efficiency for residential and commercial high-rises.
Automotive Weatherstrips & Seals
Manufactured to strict OEM standards, our automotive seals provide exceptional shock absorption and acoustic isolation. Designed for doors, windows, and trunks, they ensure a secure, leak-proof fit that enhances driving safety and comfort.
Railway & Mass Transit Seals
Heavy-duty profiles featuring advanced flame retardancy (meeting EN45545/UL94 standards). Built to withstand high vibrations and harsh environments, extending the service life of train doors and windows while minimizing maintenance frequency.
Why Choose OKIN Seal
As a premier manufacturer of custom rubber extrusions, OKIN Seal has evolved into a global industry leader. We are dedicated to delivering world-class sealing performance, engineering precision, and reliable supply chain solutions for automotive and industrial partners worldwide.
