Much of what the public believes to be true about cork and TCA-related taint is just untrue. Get the facts with our FAQs and our debunking of popular myths about corks.

View the winemakers who have discovered the DIAMANT difference, those we are proud to call our loyal customers.

Winemakers who use DIAM closures are convinced of the quality and performance of the closure. Find out what they have to say about it.

OENEO has always been a leader in the research and development of new applications and closures. For decades we have dedicated ourselves to producing the most technologically advanced closures available in the market. Browse through some of our discoveries.

The specific needs of our clients drive our high-caliber quality control departments. See the procedures we’ve put in place to ensure your final product exceeds even the most stringent quality standards.