建立用户服务档案，以备售后跟踪服务。

Establishment of user files, for after-sales service.

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钱途无量！我们将以优质的售后跟踪工作为您服务。

Qiantu Wuliang! We will work to track quality after-sales service for you.

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主要负责市场调查，产品的反馈信息，产品的售后跟踪与新市场的开拓。

Primarily responsible for market research, product feedback information, products and after-sales tracking and open up new markets.

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