dishonest company

This company name is now CTrefrigeration (pty)Ltd in Cape Town Parklands. They come to fix your fridge . Give you an invoice for immediat payment with a 6 month warranty but when you have a problem following the intervention no one will ever come to look at it. a few days after their repairs i send SMS , WhatsApp messages , note on their facebook , and nothing no return. 2 days ago i managed to get hold of the guy , when he realised it was me he put the phone done. I am not the only one with this problem with them. This company is a dishonest cpmpany. my number ***