... ,surface finishing:immersion silver8,form:punching,routing,v-cut,bevelingOur Production Capability For Other PCB:1)Layer:1-162)MAX.Board ... :0.2mm9)Surface Finishing:HASL/lead-free HASL,immersion gold/silver/tin,chemical gold,plated gold,OSP,carbon ink,gold finger10 ... Technology:blind and buried vias,impedance control,BGA,semiconductor vias,silver-filled hole23)Form:punching,routing,v-cut,beveling