... and mass production. 2, small order quatity accept 3, strict quality control 4, reasonable price 1Layer1-30 layer2MaterialFR-4,CEM-1 ... Free,FR-1,FR-2,Aluminum3Board thickness0.2mm-7mm4Max.finished board side500mm*500mm5Min.drilled hole size0.25mm6Min.line width0.075mm(3mil ... ,Beveling16Assembly ServiceProviding OEM service to all sorts of printed circuit board assembly high standard flexible pcb ...