PVC ceiling panels from Innovative Building Suppliers Group

Never buy pvc ceilings from them. They claim that they manufacture it self and that there will be no colour difference. This is a lie. We've ordered pay and when starting to install the panels differ in colour and the panels differ in brand. I've contacted them, now they dont take our calls some stock is still outstanding. This is very unprofessionally and he refuse to answer my call as I want a refund and they must collect their equipment. I will take this matter further!!!!!