As a well-known German manufacturer of precision O-rings and elastomer seals, COG combines high levels of materials expertise withe the very highest supply capability, all from the largest O-ring warehouse worldwide (45,000 items in stock).
COG is an independent manufacturer situated in Pinneberg near Hamburg (Germany) and a leading supplier of precision O-rings and elastomer seals. COG stands for uncompromising premium-quality, experience and innovative strength for more than 150 years.
More than 250 employees at COG are committed to the success of our customers, ranging from engineers in the field of application technology to our fast colleagues from the world's largest O-ring warehouse (more than 45,000 positions available). High delivery capability, flexible production and customer-oriented practice on all levels characterize us.