... price 2, high quality 3, quick delivery 4, considerate services red single-sided pcb its characteristic is that the internal sress of ... .5-1.2mm:400*350D:Board Thickness0.4mm:350*300E:Single-sided board:605*530mm(above: 1.2mm)F:Six -layer ... Sliver/Gold,OSP,Gold PlatingSolder mask color:white ,black,yellow,red,green ,blueProfiling:Punching,Routing,V-CUT red single-sided pcb