Everything in Zhong Mian Mall, the official account of Qiongzhong Strait Ferry WeChat, is authentic. According to relevant data, all the goods on sale in Zhong Mian Mall are delivered by Japanese Duty Free Bank (Shanghai). After the order is placed successfully, there will be a SMS notification, and the receipt will be attached with the goods. After receiving the goods, you can scan the QR code on the receipt to issue a formal invoice, which can be inquired by the tax bureau.