Terrible service – branch in Centurion!!!!

Terrible service – branch in Centurion!!!! Had an arrangement with the Branch Manager (Iwan Kleynhans) to pay deposit of 50% and then for the order to be placed. Once the order is ready we will pay the balance. They have had our deposit for over a month and I have had to continually follow up. Keep getting the run around as to when the order will be ready. Last week Tuesday I was advised no order has been placed as we have not paid the full amount. Have been waiting since Tuesday for Iwan to contact me to resolve this – and still no contact nor any further feedback. Tried calling again this morning before posting and there is no answer on their lines. What do i have to do to get this resolved? Posting on Facebook as well.