Hi,
I just asked the salesman from "Kunray official store" on Aliexpress about this "104BCD" motor and he told me it is not a TSDZ2 brand motor :
https://a.aliexpress.com/_dYeqSHr
From the options you can choose if you want a TSDZ2 motor or a "Kunray 104BCD" motor.
I tried to seek...