COG - C. Otto Gehrckens GmbH & Co. KG

C. Otto Gehrckens GmbH & Co. KG (COG) is a leading German manufacturer of precision seals and O-rings. As a traditional family business in its fifth generation, COG has been combining technical innovation with the highest manufacturing quality since 1867. With the world's largest O-ring warehouse, the company sets standards in availability and delivery speed.

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Technical expertise

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COG combines decades of experience in sealing technology with state-of-the-art manufacturing processes. The company develops and produces high-precision sealing solutions for complex technical requirements. The use of innovative materials and manufacturing technologies results in customized products that meet even the most demanding specifications.

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Key point: combination of traditional sealing expertise and pioneering production technology

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Quality & Standards

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Quality assurance is at the heart of all company processes. COG guarantees consistently high product quality through systematic checks and state-of-the-art testing procedures. Warehouse management with over 45,000 different O-ring variants enables short response times and reliable deliveries.

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Key point: Highest quality standards paired with exceptional product availability

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Services

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COG offers comprehensive advice and engineering support for industry-specific requirements. The team of experts supports customers from the development phase through to series production. The focus is on optimizing processes and avoiding production downtimes through perfectly coordinated sealing solutions.

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Key point: Comprehensive advice and technical support for optimum sealing solutions

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