... do high-quality etching works of metal plate and workpieces clock hand engraving machine /etching machineJM650 Double Sided High Precision Etching ... ,metal gobos, washers, sieves, meshes, SMT, choppers, encoder, disks,PCB,clock hand,a lot kinds of metal spare parts and so ... on. Machine Picture:Samples:About Us : clock hand engraving machine /etching machine