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級產地：1）山東2）日本三豐