I have overall studied and mastered the reception procedure of auto four-service store, the sale-technology and after-sale service standard etc. , I visited the auto four-service store nearby and understood sales and services of competed automobile-type. I have overall studied and mastered the reception procedure of auto four-service store, the sale-technology and after-sale service standard etc. , I visited the auto four-service store nearby and understood sales and services of competed automobile-type.