... No middleman No trading company Boss to customer relationship Reference Rigid PCBLayer:1-12Board finished thickness:0.21mm-7.0mmMaterial:FR ... impedence+BGAProfiling :Punching ,Routing ,V-CUT,Beveling Product range:,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi ... frequency PCB ,etcPackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing Rigid Multilayer pcb manufacturer