PAYED GENERATOR - DON`T DELIVER

We bought a Generator (2015/05/20) 6.5kva silent diesel generator and we send the proof of payment through to [Email Removed] They promised to deliver in three days. We call several times but they have not respond. What can we do? Their contact details changes from ***,***, ***, *** (Maxwell).<br> <br> Please contact Corrie Coetzer - *** for any info you need. I do have the invoices and the proof of payments.