www.longer3d.com support@longer.net
Dear customer:
Thank you for choosing LONGER products Nano laser engraver.
Maybe you are familiar with the engraving machine or have bought
a similar engraving machine before, we still highly recommend that
you read this manual carefully. The installation techniques and
precautions in this manual can help you avoid any unnecessary
damage or frustration.
More information please refer to:
1. Please contact us via email: support@longer.net
2. Technical support: (+1)888-575-9099
3. Facebook ID : Longer Global
4. Facebook ID : Longer Nano Official Group
5. YouTube channel: Longer Official
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