Dumi Parquet flooring

Be Careful of Dumi Flooring small business , they do shady Parquet flooring installation and Sanding, they clumsy , not neat with their work , not cleaning after themselves, they in a rush to finish work and their work is not quality. When i asked them for a redo , they disappeared. They advertises on OLX , Gumtree with cell number ********** 047. Their transport is a Gold BMW