9 months and no refund- Zasttra just another distaster

I bought an Item on Zasttra in February and no they mentioned they have no stock. they kept asking me to send the proof of payment which I did several times and they said they will cancel the order and after that I kept chasing them for my refund and they never paid it.

Even today I followed up with regards to my money and still no feedback. this another bad online shopping site in South Africa