1.FR4 IC bonding pcb board 2.flash gold 3.Fast delivery,competitive price 4.ROHS, UL, ISO9001 ... : HASL,HASL lead-free,HAL,Flash gold,immersion gold,OSP,Gold Finger Palting,Selective thick gold plating, immersion silver,immersion tin, Carbon ... and blind vias, impedance control, thick Cu PCB,selectivity plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, Beveling19). Certificate: ...