The B-end users of the charging pile market include taxis Buses, ride hailing, short distance shuttle buses, and goods Flow vehicles, sanitation vehicles, engineering vehicles, etc. User group The total body volume is relatively small, but very concentrated and characterized by Domain. The group's demand for the use of electric piles is very stable and There is not much demand for a charging experience. But because Most of them are public transportation operating units, so they are responsible for charging Safety assurance of electrical processes and financial data security Special attention is paid to full and vehicle monitoring.