It is a hard 5 good Granite Exporter, Chinastonecountertops.cn>Natural Stone Countertops - Granite, Marble, Limestone, Slate basalt. The thickness can be from 10mm to 50mm. Size Stone Countertop: 20*20cm, 30*30cm, 40*40cm, 50*50cm, 60*60cm, 30*60cm, 40*60cm.Finishes Stone Countertop: sawn, polished, bush-hammered, chiseled, 0, flamed, flamed & brushed, s5blasted.