... QC control PCB Specificationproviding OEM service to all sorts of printed circuit board assembly1Layer1-30 layer2MaterialFR-4,CEM-1,CEM-3,Hight ... Halogen Free,FR-1,FR-23Board thickness0.2mm-7mm4Max.finished board side1500mm*500mm5Min.drilled hole size0.5mm6Min.line width0.075mm( ... ,ISO9001,ISO14001,ROHS,CQC,SGS15profiling punchingRouting,V-CUT,Beveling printed circuit pcb board distributor