... 1.Imported Guiding rail 2.Steady larse tube 1.Features of HN4030 wood laser engraving machine1). The up to ... TajimaOperating Temperature0 - 45°COperating Humidity5-95%Recommend Spare PartsLaser tube and focus lenseMachine main partsWater pump, air pump, exhaust ... and so on. 3.Applicable materials: synthetic material, acrylic, wood, organic glass, crystal, plastic, garments, paper, leather, rubber ...