... high-quality etching works of metal plate and workpieces clock hand engraving machine /etching machineJM650 Double Sided High ... adjust)Machine Size3550*1650*1550mmWeightAbout 800kgsAutomatic Control System:Speed adjust system Pressure Ajust SystemTemperature control system High temperatures resist (0 ... , sieves, meshes, SMT, choppers, encoder, disks,PCB,clock hand,a lot kinds of metal spare parts and so ...