The 75% discount on credit card refueling in China Industrial and Commercial Bank of China means that ICBC credit card users can enjoy a 75% discount on the actual payment when using their credit cards to pay gas bills at designated gas stations. At the gas station, users can pay the gas fee directly by credit card, and the system will automatically calculate it according to the 75% discount. After the payment is completed, the user will receive the relevant payment confirmation information, and at the same time, you can also check the details in the ICBC credit card bill.