Tmall Treasure new brand 9UM 9 micron, store activities hot!

August 17, 2022, Guangzhou -- Tmall Treasure new brand activity,9UM nine micron store successfully selected! You are not unfamiliar with nine micron intelligent positioning children's schoolbag, Huawei smart nine micron intelligent positioning children's schoolbag is Huawei smart selection and nine micron joint development for more than a year