... 3.good after-service The crystal laser engraving machine with CE for JH 130250 JH laser engraving/cutting machine adopted the ... Adopting the imparted lens, the specially processed Lu-Lu and gas make sure that, if the cutting proportion is OK, ... The accurate cutting for the nonmetallic plates like handicrafts,models,ads,decorations,electrical equipments, acrylic plates,medium-density decoration plates, ...