Dowin laser as China good laser machine supplier devoted to provide high quality laser equipment with affordable price. 3D Dynamic Curve Relief engraving laser marking machine for coin brass stainless steel with Feeltek 3D galvo head. Applications primarily suited for curved surface marking & engraving, such as stepped appearance, wave shape, cambered,medical instruments,electronics,cups,pens etc .It could be used on all metal, including steel, aluminum, copper, titanium, silver, gold,Iron,Acrylic,Glass, Plastic etc.