Car reg. papers delivered to wrong address in different province!

My car was paid up with Wesbank in November 2017 but I had still not received the registration papers until February 2018. When doing a follow-up with them, I was told they would send it to me straight away and I should wait 7-10 working days. After 2 weeks, I still had not received the documents and did a further follow up with Wesbank. I was told that the papers were delivered already and that I had signed for them. I told them I had definitely not signed for nor received any documents. After some investigations, I was told that my papers were actually delivered to a Potchefstroom address however, I stay in Cape Town. After a week of phone calls between myself , Wesbank and DSV couriers, I have still made NO progress. Not Wesbank nor DSV want to take responsibility for their mistake. Nobody ever returns my calls. Their service is non-existent unless your are a new customer and they can get money out of you. I still do not have my papers and therefore cannot register the car on my name or sell it. My number is ********** 985 or ********** 146 if anyone can assist please!