Eastcompeace NFC SIM card is a mobile contactless payment product based on the NFC (near-field communication) technology, by using the SWP (single-wire protocol) to link an NFC controller and a USIM card. With the official commercialization of UnionPay and TSM platform,the construction of a one-card multi-purpose business model centered on NFC mobile payment has been completed, supporting the commercialization and implementation of domestic NFC mobile payment.?