cnc engraving machine QT5620 conductor,semiconductor cut: graphite,epoxy board,carbide,stone,etc. TM ISO9001:2008 Main Technical DataTypeQT5620Worktable Tavel(mm)200× ... )1000 This Machine is widely used for cutting graphite electrodes and shaping of epoxy board, hard alloy materials, marble, jade, optical glass, ceramic, ferrite ...