18:1. According to a query on the official website of China Guangfa Bank, as of August 3, 2023, the mileage redemption ratio of Guangfa China Southern Sky Pearl Credit Card is 18:1. The proportion of accumulated air mileage for the Gold and Regular Cards of Guangfa China Southern Sky Pearl Credit Card has been adjusted to 18:1, the ratio of accumulated air miles for U.S. dollar purchases with foreign currency cards is adjusted from the original 2:1 to 3:1.