How to check my new purchased Mikrotik CCR1009-7G-1C-1S+

Hello, I want to know how to check my new RouterOS devices, like production date, new or used, and so on.
Thanks.

SN: 6F5306C67300/703
SN: 6F53069A50F8/703

There is no such check possible. I recommend buying from reputable distributors, they only sell new and unused devices.

Thanks, I buy from China EDCwifi.