... cooling system 3.imported guiding rail 4.CE laser jewelry engraving and cutting machine China orgin jinan factory Feature ... more stableApplicable Materials: wood, bamboo, jade, marble, organic glass, crystal, plastic, garments, paper, leather, rubber, ceramic,glass and other ... /50HZSamples:Sameng laser machine workshop and package; laser jewelry engraving and cutting machine China orgin jinan factory