The answer is: surface treatment factories are easy to work, and laser engraving factories have fierce competition in this industry. They need to continuously innovate and improve product quality to gain a foothold in the market. The laser engraving processing industry is a high-tech manufacturing industry. , mainly uses laser technology to process materials such as cutting and engraving. Surface treatment is a process that artificially forms a layer on the surface of a base material that has different mechanical, physical and chemical properties from the base material.