1.TSD-0303 YAG Metal laser cutting machine 2.UK imported optical resonators 3. ... of usage, adopt advanced international atuomatic liquid crystal light valve filter protection system, keep eyeballs safe from laser stimulus. 3.Humanization ... industries. Such as sense, realy,linker,horologe,electronic componet,precision metal parts,mobile phone housing,automobile precision parts,correspondence,crafts…etc ...