CHARIN eV is an open association established in Berlin, Germany. It is responsible for supporting and promoting the Combined Charging System (CCS) in Europe and North America. Its core members are also the most influential car manufacturers and Component supplier. The CCS charging specification is also currently included in the IEC standard specification, which is one of the main specifications for charging electric vehicles worldwide.

Therefore, by participating in the CHARIN e.V. Association, TERTEC will assist the promotion of domestic electric vehicle electric energy supplementary facilities, and obtain the latest information on the international electric vehicle electric energy supplementary technologies and requirements, and assist domestic electric vehicle electric energy supplementary equipment manufacturers in related inspection and certification services. At the same time, it can provide suggestions for the basic environmental strategy of domestic electric vehicles, and strengthen the establishment of domestic electric vehicles to supplement the environment. For related information, please refer to the official website of CHARIN e.V.