This machine uses good sealed, more stable and high efficiency modules.Its engraving head can be turned around to engrave horizontally and vertically and can engrave oblique pattern .Two heads can engrave* pattern, watermelon pattern, curve pattern and other patterns,and also can dot.It provides a camera at the engraving area, makes the situation of tool setting is watched through the screen on the outside of the machine. It adopts automatic feeding system for improving process efficiency and convenience .This machine applies for engraving round bead and olive bead of gold,silver,K gold,platinum. This machine can save around 10000 patterns.