There are mateials from both china and other countries. We can offer you granite, marle, sandstone and so on. The dimesions are as you required. We also can offer you the Gansaw big salb. It can reach 3m*2m. While the thicknessed are 1.8cm,2cm or 3cm.
The polished degree is 85 percent and the tolerance is +/-1mm. Before ordering, we can send you the samples for letting you get clearer idea about out products.