BezCo fencing. Joostenbergvlakte

Johan Besuidenhoudt and his sons installed CLEAR VIEW fencing at my property in Melkbosstrand. From the beginning things went wrong ( but only realised that after the deposit was paid!) 3 months after instalment I sent him photos of my fence rusting! More than a month later he says they will come spray the rust.The rust is spots that they damaged during installation. I had to put up with rude ***ual remarks and messages from Johan. I really have no idea how to handle the lies and bad workmanship from this company anymore