... High quality printed circuit board 2.Fast delivery 3.Approval ISO900 1:2008 4.Printed circuit board Our production capacity for ... other PCB.1Layer1-12 layer2MaterialFR43Board thickness0.6mm-2mm4Max.finished board ... ,Chemical gold,Immersion gold,Osp,Gld plating9Copper thickness1-4.0oz10Solder mask colorgreen,black,red,blue,yellow,white11Inner ...