Feeling sick of health food company's service

I ordered on what's app for goods worth 307r from Your health Sa.This gluten free food company took two weeks to respond.They said their phone number was lost with all its it's. contacts. Then he said he would immediately send an invoice.This took three days .even after texting and prompting him I paid on line and was waiting for delivery which was promised on Wednesday. I waited at home all day .No delivery When I complained I got no apology.I was told I was the first peroni to ever complain! He said it's was not his responsibility for late delivery. Can you imagine a health food company doing this? Shocking slow service.no apology .and three weeks after my order still no delivery I asked for a refund of cash.I am not willing to give out my bank details to a company that doesn't even look legitimate