... ,high quality laser tube used to laser engraving , cutting machine CO2 laser tubes with long-life 6000 hours, ... type have beeen researched and developed by our company for three years and brought formally into operation in October ... of small size, good spot mode and fast cutting speed so as to make our customers experience the ... ±213014030HY102000±2Ø80±215018030 CO2 laser tube for laser cutting machine