... ; High resistance to abrasion,compression,scratch,corrosion artificial granite slabs ·GUINNESS quartz stone is widely used for Kitchen countertops, ... 15mm, 18mm, 20mm, 25mm, 30mm·Standard size for big slabs: 3250 x 1650mm, 3050X1450mmSpecifications:crey crystal china quartz stone1)Beautiful ... cut by knife and is applicable for decoration of large public engineering space.·No radiation It is made of ...