About COG
As an independent manufacturer we belong to one of the leading supplier of precision O-rings and elastomer seals/gaskets. COG delivers from the Worlds largest O-ring stock (more than 45,000 items from stock) most various materials, including FFKM/FFPM.
• Founded in 1867 in Pinneberg near Hamburg
• Independent family company with more than 250 employees
• Europe's largest O-ring stock (over 45,000 items in stock)
• Tools for over 23,000 different O-ring sizes available
• In-house mixing and mixture development
• Close cooperation with leading raw materials makers
• Releases and approvals granted for many materials and to hand
• Own tool manufacture
• Optimised delivery service from our new logistics centre opened in 2002
• Quality management per DIN EN ISO 9001:2008
• Environmental management per DIN EN ISO 14001:2009
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