damaged parcel and products

the parcel was posted to me using UPS with the products which i import from Poland. it took three weeks for the parcel to be delivered to me and the products were damaged. i cant resell the products due to the damage caused by UPS. i've reported the damage, sent photos, keep sending emails requesting feedback regarding my claim and the answer i get is "we will come back to you when we receive feedback from the damage team". we used UPS to receive the products fast and in good order, i have customers waiting for these products and now im stuck with such an unprofessional service!!! i tried to call different numbers, no answer! never ever i will use UPS again and will spread the message to all, about bad service!!!