High Quality Laser Tube---Accessories for Laser Engraving Machine, Laser Cuttting Machine, Laser Engraving Cutting Machine. Those under 80Watts is made in Chengdu where is a best manufacturing base for it. While those beyond 80W is made in Beijing. And we guarantee for 3 month for you. And the latest laser tube made in Beijing we can guarantee for 9 month with favorable price.