Engraving from the processing principle, is a combination of drilling, milling, engraving machine, a variety of data input mode, according to the needs of ease. Computer engraving machine, laser engraving and mechanical engraving of two categories, these two categories have high power and small power points. Because engraving machines have a wide range of applications, it is necessary to understand the best range of applications for engraving machines. Small power is only suitable for double color swatches, architectural models, small signs, three-dimensional handicrafts, etc., carving jade, metal and so on, the power needs to be above 1500W. High power engraving machine can do little power engraving machine things. The most suitable for large-scale cutting, relief, sculpture.