花岗石平板规格尺寸(mm)..................................精度等级300X300X70.................................................00级400X400X100...............................................00级450X600X100................................................00级400X600X100................................................00级630X630X100.................................................00级600X900X130.................................................00级1000X630X150...............................................00级1000X750X150...............................................00级1000X1000X150..............................................00级1500X1000X200..............................................00级2000X1500X250..............................................00级一、售后承诺：1）计量不合格品退换！