The World’s Smallest O-Ring

Innovative designs are becoming smaller and smaller, and as a result, the market demand for miniature components is growing. Hence, our team has accepted the challenge to develop the world's smallest o-ring! We specialize in extremely tiny o-rings and custom

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KEF develops O-ring for Pacemaker

This requires strict industry standards and that each part will meet or exceed those standards, time after time. Making material with high precision and high reliability is a critical issue. It is also critical in our O-rings.