1.Design for and manufature different kinds of standard and non-standard telecommunicational machine cabinet,power cases,control box and security outer housings. 2.machining,lathe,milling,and linear cutting for precision machinery. 3.design for and manufacture metal moulds. 4.stamping for metal hardware;design and manufture for components;machining for metal hardware. 5.machining for heat sink,power box,and plates.