In 2016 and 2020, CYG Sunri provided the solution of group-controlled DC special fast charging station for the branches of State Grid EV Service in shanghai, Shaanxi, Hunan and Hubei, and has supplied more than 200 sets of group-controlled DC charging stack equipment, flexibly configured the charging terminals according to the demand, and provided special battery charging services for vehicles in public traffic, logistics, sanitation, online ride-hailing service and airport shuttle service.