... Adopt the advanced DSP control technology, high precision3.Strong laser beam, non-contact cutting/engraving, avoid scratching or pressing ... Features:1. With high quality laser tube which is characterized by excellent beam quality, stable performance and long ... Suggest additional sets)CERTIFICATECE CERTIFICATEOther parts for optionLarger power laser tube,Water chiller, honey comb working table, Rotary ...