Demonstration model: iPhone13&; & Huawei P50 &；; & Xiaomi 1 1 system version: IOs15.2&; & HarmonyOS system 2 & miui12.5app version: v 10.3.0 is the full name of Century Trading Co., Ltd., a self-operated e-commerce enterprise in China, and its founder Liu is the chairman and CEO of the group. JD.COM owns JD.COM Mall, JD Finance, Paipai.com, JD Smart, O2O and overseas business department.