About Us

About Coi Rubber Products

Coi Rubber Products, Inc. is a custom manufacturer of molded rubber and plastic components. Coi Rubber has over 28 years of experience in Engineering, Design, Compounding, Prototyping, and Production of molded rubber and plastics. Our capabilities include custom material compounding, injection molding, compression molding, transfer molding, extrusions, rubber-to-metal bonding, insert over-molding, and more. Our high volume production lines and quality guarantee are supported by our ~200,000 sq. ft. of US-owned manufacturing facilities and testing laboratories. Coi Rubber Products holds the following certifications: IATF 16949:2016, ISO 9001:2015, and MBE.

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Coi Rubber Products was established to service the Rubber & Plastics Industry. We started in molded rubber products serving the agriculture industry. Since then, we have expanded our manufacturing capabilities to include plastic molding, extrusions, metal stamping, and bonding to support our increasing product lines. We serve a wide variety of companies in different industries; some industries include the Automotive, Industrial, Food Processing, HVAC, Appliance, Sports, and Baby Products.  We specialized in complex compounds and specialties requirements for various performance requirements such as noise vibration, electric conductivity, non conductivity, sonic welding, rubber to metal bonding and the list goes on.  Our experience in KD/KS and Tan Delta performance on NR and all NVH components can be found in serval major automotive platforms.  Our testing and R&D center works hand in hand with both China Leading research organizations as well as State side.

Mission Statement

“To be your trusted supplier of choice and lead the way on all rubber, plastics, and industrial related product for both industrial and manufacturing use.”

Our Address

Corporate Headquarters

1370 Valley Vista Dr Suite 200 Diamond Bar, CA 91765 United States of America

sales@CoiRubber.com

(626) 965-9966