The Eurasian Economic Union EAC Certificate of Conformity (EAC COC) is an important certification in the product certification system of the Eurasian Economic Union (EAEU). Here is a detailed introduction: 1. Definition and Purpose The EAC COC is an official certificate issued by a certification body recognized by the EAEU. It is a form of certificate in the mandatory certification system of the EAEU, which is a unified certification system upgraded from the Customs Union Technical Regulations Certification in 2015. It is used to prove that products meet the relevant technical regulations and standards of the EAEU, and is a necessary condition for products to enter the EAEU market for sale