Bad to worse service

I ordered parts from Poland. Parcel arrived month ago already. I then questioned the paperwork with the pricing as it was way too expensive from similar items I also imported via fedex. Since the 1st mail Ive been sending mails back and forth with no resolution and very little feedback. I have to keep asking for feedback and after a few days someone might answer me vaguely with rhetorical questions or answers resulting in the package still not being sorted out, because of the lack of ownership to resolve this or any feedback, they now shrug their shoulders and say that the package was moved to customs warehouse. I’ve paid 14k for this package and want it, but no one is giving me answers on this about the whereabouts or what’s going on? How long does it take for someone to take ownership and resolve this matter for me? Can some manager take ownership and resolve this so I can get my package already????!!!