Why don't you e-mail their Customer Service and ask them? I'm sure someone there speaks good English. People on this forum can only give an opinion which is not what you need.
Guys, is this region free or region B locked?
Guys, is this region free or region B locked?
Taiwan version is region Free and this is FOX, so I would assume it is region free(Usually FOX is). But to be sure I would email film Arena if you don't want to take any chances.