... : CNC operating system, GPS system,Entertainment, Office, Security systems, Industrial, Telecom handheld instruments, Point of Sale Terminals, Handheld , PDA ,PC,Computer ... Xing'an: We Xing'an work very closely with its customers in order to insure the success of its projects. Working on ... needs. ODM, OEM are always welcome in Xing'an. 120g to 350g tactile or snap metal click domes