The so-called after-sales service refers to all kinds of service activities provided after the sale of goods. From the perspective of sales, after-sales service itself is also a means of promotion. In the follow-up stage, sales personnel should take various forms of cooperation steps, improve the company's reputation through after-sales service, expand the market share of products, and improve the efficiency and efficiency of sales. After sales service of Dongfeng Fengshen 4S store generally adopts the following principles: