I picked up a 50kg stone by the river and engraved four big characters on it with a 60W laser engraving machine.

I picked up a 50kg stone by the river and engraved four big characters on it with a 60W laser engraving machine. As long as you have a laser marking machine, you can use it to make money. For example, you can use the laser marking machine to engrave words and patterns on various materials in your own shop, workshop, home or even a street stall. It can be customized in batches and you can make a lot of money in a day. Do you want to own a laser marking machine that can make money? You can buy it from me for wholesale or retail.