This series of products according to national standard production, quality assurance. Conventional spot size of 200 width, 305 width, thickness from 0.1MM-2.0MM have production, thickness tolerance within the -0.03 conventional copper case can be divided into S, TS, 1/2H, H, EH, and other state . The material surface, although the weaker stability, but its processing properties and excellent processing properties of red light, so commonly used in the buttons, metal accessories.