花崗石平板規(guī)格尺寸(mm)..................................精度等級300X300X70.................................................00級400X400X100...............................................00級450X600X100................................................00級400X600X100................................................00級630X630X100.................................................00級600X900X130.................................................00級1000X630X150...............................................00級1000X750X150...............................................00級1000X1000X150..............................................00級1500X1000X200..............................................00級2000X1500X250..............................................00級一、售后承諾：1）計量不合格品退換！