For CNC communication parts, we utilize high-quality materials such as aluminum for its lightweight and good conductivity properties, and brass which offers excellent electrical conductivity and corrosion resistance. In terms of surface treatment, we provide options like nickel plating to enhance durability and conductivity, as well as anodizing for aluminum parts to improve surface hardness and wear resistance. Additionally, a clear lacquer coating can be applied to protect against scratches and oxidation, ensuring the parts perform optimally in communication equipment.