The foreign exchange liquidity provider is the receiver of the international market clearing instructions. The liquidity provider provides liquidity data service in the inter-bank foreign exchange market, captures the best price and feeds it back to the downstream retail foreign exchange brokers. These liquidity providers focus on liquidity technology development and provide technical support for STP/ECN model of small and medium-sized foreign exchange brokers. In addition, liquidity providers usually connect with more than two big banks, and usually reserve another one to ensure the continuous stability of liquidity. The account type of IX foreign exchange platform has STP/ECN mode, so IX foreign exchange has mobile suppliers.