Dj-laser Inc. (Chengdu Dong-jun Laser co., Ltd) was esta-blished in 2001 and is locat-ed at Chengdu, China. Our te-chnical team is from the Sou-thwest Technical Ph-ysics Re-search Institute, which made the first Nd:YAG in China at 1967. Our team has been producing Nd:YAG since that year. At present, DJ-Laser is the biggest ...