It's obvioulsy not a coincedence that he's Chinese and we now have a Chinese owner. Normally, I would hope that a player is bought for 'footballing' reasons, and not for reasons to do with his nationality. However, as the fee has not come out of our transfer budget, then all well and good. Presumably Werder Bremen are paying his wages.
Werder Bremen is probably on a similar level to us, albeit slightly more entertaining than us at present, but that's not saying alot. They scored alot of goals last season, Gnabry getting a fair few. However, before we get our hopes up too much, Zhang didn't exactly set the Dutch league on fire last season with Vitesse.