Permanent use. Changzhi bus Xinglin card is a bus card for medical staff. It will be used in 2020, with no expiration date and can be used permanently. The Xinglin Bus Card of Changzhi adopts the method of pre-charging the number of rides, with a single card 1000 times/year. You can take the bus on the designated bus line for free, but you can't take the bus outside the designated bus line for free.