What does BYD’s supplementary code push mean?

A special code for internal BYD employees to recommend new employees for joining.

According to the query on BYD's official website, we learned that BYD's internal promotion code is a special code or identification used by BYD's internal employees to recommend new employees to join the company. It is used to identify and track the person who recommended the employee's information.

The referral code is a special recommendation identifier, which is different from the employee’s job number.