Advertising marketing department/mainly follow up customer sales/organize customer training, guide sales skills and commodity knowledge, and follow up promotional activities.

AD stands for advertisement.

The word "Advertising" is the translation of English "advertising". Derived from Latin advertisements,

The original intention is to attract people's attention, which means to inform, induce and disclose.

Later, the word advertising evolved into advertising, and its meaning expanded to "make someone notice something" or "inform others of something to attract others' attention".

Active word advertising refers not only to an advertisement, but also to a series of advertising activities. It has also been verified that the word Advertising in English comes from French, meaning notice or report. No matter where it comes from, the word advertising, as a basic concept of society, has been identified and widely used in social life.