Can not we first look at the bus IC card production completed IC card production company or factory, according to the requirements of the bus company chip and layout design, packaging and printing IC card for factory quality inspection and then sent to the bus company, and then the bus company to the IC card authorized encryption after the above steps, In summary, we can know that the bus card can not be freely customized, because the cost and process of free customization are unrealistic and do not have implementation. Of course, bus companies sometimes launch a series of personalized bus IC cards, such as Guangzhou Dahua smart do cartoon glue key chain bus card.