Samsung Gigabit Store or Samsung Jinbang Shunda Store?

God, I wish I had looked it up on Baidu. How many people have been cheated? I just finished processing it once. The reading speed of 3.0 USB flash drive finally reached 9M, and then I applied for a refund. After the thing was sent back, the other party refused to say it was a customized version, and boasted that the speed problem was not a quality problem. During the handling of Tmall, I complained through 123 15, and Tmall Xiaoer later sent it. .