... 4, considerate services red single-sided pcb its characteristic is that the internal sress of coating is stronger, and ... high. process characteristics: contain copper plating nickel gold three layers of metal, including Ni quartile 2.5 u m, ... 1.2mm:400*350D:Board Thickness0.4mm:350*300E:Single-sided board:605*530mm(above: 1.2mm)F:Six ... red,green ,blueProfiling:Punching,Routing,V-CUT red single-sided pcb