China Newstar Stone Company can supply you:
Granite tiles and granite slabs with various granite colors.
The thickness of tiles and slabs are available for 10mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm etc.

The size are available for 305x305mm, 600x400mm, 1200x2400mmup, 1200x600mm, 2400x600mm etc. and your customized sizes

Marble tiles and marble slabs with various marble colors.
The thickness of tiles and slabs are available for 10mm, 20mm etc.
The size are available for 305x305mm, 600x300mm, 600x600mm etc. and your customized size.