SMT Car sonic board 1.LED display built-in PCBA processing 2.Professional SMT dozen pieces, finished pro Dongguan ChanglLong Electronics Industry Co LTD We produced many for the customer the product:hard disk external box,digital camera,high-endgraphics,DV/wireless mouse/keyboard,etc,GOODquality,on time delivery,receiving relevant customer affirmation and praise. PCBA,SMT,DIPand final Assembly. ...