What is the charging standard for Chengdu driver's license telephone inquiry driver's license processing fee?

The cost of motor vehicle driving license 15 yuan/copy, the cost of driving license 10 yuan/copy, and the postage for applying for replacing environmental protection signs 15 yuan/time (no postage is charged for applying for environmental protection signs of motor vehicles for the first time). When handling, the parties themselves need to apply to the postal outlets for handling. At the same time, the vehicles and driver's licenses that handle business are all from Chengdu. The business applied for shall comply with relevant regulations.