Kokoku Rubber, Inc.

A global manufacturer with 70 years of experience producing custom rubber components. Produced components include valves, stoppers, diaphragms, injection ports, connector tubes, balloons, septa, needle covers, etc. for applications including infusion systems, blood collection devices, catheters, dialysis systems, prefilled syringes, and more. Kokoku Rubber is ISO: 9001 certified and welcomes the opportunity to assist with early-stage design and prototyping.