I won't be too sure.Even Pakistan doesn't have it yet I think.China will certainly sell you HQ-9.
If it's the former, then jolly good.It’s not rocket science bro.
The real question is what is the motivation of Bangladeshi leadership to allow this.
Meaning are they realists....or keeping their enemies close?.....or they just don’t give a f/-k and want to stay in power regardless of national interests?.....or what?
I have no idea.
However, if our worst fears come true & it happens to be the latter, then it'll be up to the military & common populace to defend our sovereignty.