BACHIN diy Laser Machine Unboxing Tutorial for the Newest Version Engraver 1720Pro(2021)

BACHIN diy Laser Machine Unboxing Tutorial for the Newest Version Engraver 1720Pro(2021)
1-This 1720Pro ,have 500mW,2500mW,5500mW,7000mW,10000mW,15000mW laser power,which can engrave a lot of materials :wood,bambood,plstic,paper,stone,bone,leather,acrylic,fabric,stainless steel,and so on.
2-The software download URL:
www.bachinmaker...
3-More informachine about the 1720Pro :www.alibaba.co...

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