Quartz stone countertop size: 3250x1650mm;3050x1450mm Thickness: 12mm,15mm, 18mm,20mm,30mm Our engineered quartz countertop has passed stone quality supervision center ... , 400X400mm, 600X600mm available c. thickness : 12 mm,15mm, 18mm, 20mm, 25mm,30mm availableFor one 20'ft container, it can load the quantity ...