What does it mean that ICBC debit card sends a message saying that it will cost 30 yuan "E-Pass"?

The debit card of ICBC sent a message saying that the expenditure was "Easy Link". 30 yuan means that ICBC paid 50 yuan with Easy Access.

Yilian Payment Co., Ltd., which cooperates with China UnionPay, is a large non-financial payment service institution in China. The company introduced international patented technology, combined with high-tech, patented technology and financial service network, and built a safe, efficient and novel DNA mobile payment service platform by accessing the resource advantages of UnionPay inter-bank information exchange center system.