The problem with any specific process or link recommendations is they become obsolete instantly. Putting one of these together requires some searching and active exception handling.

There are Chinese services that do forwarding (I use FSC), as well as enthusiast engineers, like Jacky (or me), but enthusiasts get overwhelmed quickly... it becomes a full time job for little or no profit. I have to consciously dial way back to keep this only a hobby so it stays fun.