1)2-layer pcb for usb 2)Base material:FR-4 3)Surface Finishing :HAL 4)Certificate:UL,ROHS,REACH,ISO9001,T/S16949 1)2-layer pcb for usb2)Copper thickness: 1 oz 3)Board thickness: 1.6mm 4)Min hole size:0.2 mm5)Base material:FR-46)Min line width: 0.1mm7)Min line spacing: 0.1mm8)Outer copper thickness: 2.0 oz9)Inner copper thickness: 1.0 oz10)Certificate:UL,ROHS,REACH,ISO9001,T/S16949 ...