... debugging, mainte Repeat Frequency Wuhan Changjiang Yicong Technology Co., Ltd.12W semiconductor pump laser marking machine 1. Description YC-EP12 is used ... the most advanced laser technology, adopts semiconductor &1064nm wavelength and diode side-pump Nd: YAG.. The laser ... AC 50HZ, 7A220V AC 50HZ, 7A Whole machine power1500W1500W 12W semiconductor pump laser marking machine