... , high quality 3, quick delivery 4, considerate services red single-sided pcb its characteristic is that the internal sress of coating ... process characteristics: contain copper plating nickel gold three layers of metal, including Ni quartile 2.5 u m, AU quartile ... card board and consumer electronic products, electronic toys, game machine, etc.Our capabilityLayer:1-12layersMaterial Type:FR-4 ,FR-4 ...