our factory has more than 500 stuff.including R&D department,it was more than 10 people .the daily oroduct was more than 30000 traval adaptor.it can be us at mobile phone ,mp4 player,even can be regard as a voltage adaptor.it can be design as diferent type,like british style,brazilian style.indian stye and so on .it according diferent type on diferent country.the quality for all product was under certification,just a email to HAOXUEFANG.WARIS@gmail,you can get more further detail,you are be expected.cell phone:+8613025461155