... &CE 2:can engraving on the cylindrical objects 3:Fluctuation lifting platform 4:stepper Device Features:1:DSP high-speed stand ... mechanical structure,stable electrical performance .Step drive, belt transmission, electric lift platform, circulating water cooling, forced water protection, get rid of ... laser engraving and cutting machine for wood,stone,bamboo,ect with ce &iso(DW-60W-570)(want agents)