CO2 is widely used in industries such as craft gifts, furniture, leather clothing, advertising signs, model making, food packaging, woodworking, electronic components, pharmaceutical packaging, printing and plate making, and shell nameplates. It can also be combined with assembly lines for online marking. The materials mainly include non-metallic materials such as bamboo and wood products, paper, fabric and leather, organic glass, epoxy resin, acrylic, unsaturated polyester resin, etc.