No service after selling broken appliances.

I bought GEMINI gate beams. I had to pay an electrician R300 to install it. So it was faulty. I took it back. Try to exchange it, the refused and send it back. They phoned me to pick up the "repaired" beams. I got another electrician out to install it. It was broken again. They refused to give me a new pair. So i bought a new pair of beams. Lost the money. They phoned me again to pick up "fixed" item. I said i want my money back. They just ignored me. I will never do business with them. Especially with come backs!