1 Superiority in Diligence, Sincerity in Heart Superior and Sincere Services The BYD Superior and Sincere Service Brand was established in 2006, inheriting the service concept of "Superiority in Diligence, Sincerity in Heart" of all aftersales service providers of BYD. All aftersales service providers of BYD will always devote to providing high-quality aftersales services to BYD's clients. It is firmly believed in the BYD Superior and Sincere Service Brand that superiority and sincerity conduce to exquisite service skills, and high sense of responsibility and earnest conduces to sincere service attitude.