Our current exchange rate of RMB to USD is 1 CNY = 0.162 USD. Since most customers pay in USD, and each order has 2 payments. There often involves order consolidate, split and refund, so we will not update USD exchange rate frequently. Any how, if there is big fluctuation, we will update it every 3-6 months. About other currency exchange rate, 42agent always keeps an eye on them and make adjustment every month.