1.Design DC power adapter,18W,24W etc. 2.Precise design performance, OVP,OCP, ... constant current power supply for digital electronics products.5.Used quality safted components and standard components, such as rectifier,MOSFET,capacitor,IC,transformer ... ,Hi-pot,Resistance,burning-in/aging,temperature shock,drop test,vibration test etc.10.Power Switching Efficiency: >83%.11.Load/no-load output ...