The 60-watt laser engraving machine engraved large blue bricks, and the effect was very good.
The 60-watt laser engraving machine engraved large blue bricks, and[…]
A young man born in the 1980s started a business of carving stones with 5 stone carving machines, and he can carve more than 300 stones a day.
A young man born in the 1980s started a business[…]