Introducing the 3D crystal laser subsurface engraving machine -TK3D-4K, the ultimate solution for creating customized and intricate designs on crystal surfaces. Our machine is manufactured in our own factory with precision engineering and advanced technology, ensuring top-quality performance and durability. With 4K resolution and advanced laser technology, our machine enables you to create high-quality, lifelike 3D designs on crystal surfaces with ease. Whether you're a business owner, artist or designer, our machine is the perfect tool for creating unique and memorable products. Contact us today to learn more about our factory and the wide range of products we offer.