Because for those who buy mobile phones in China UnionPay Express, the mobile phones sold in China UnionPay Express belong to the brand that cooperates with China UnionPay Express. Moreover, the official of China UnionPay Express will also supervise the mobile phones sold through the platform. Will ensure that the mobile phones sold in China UnionPay Express are genuine licensed products. Therefore, it is reliable for China UnionPay Express to buy a mobile phone.