... board with red oil 2, experienced design and copy service 3, fast delivery 4, strictly QC control PCB Specificationproviding OEM service ... assembly1Layer1-30 layer2MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-23Board thickness0.2mm-7mm4Max.finished board side1500mm ... ,ISO14001,ROHS,CQC,SGS15profiling punchingRouting,V-CUT,Beveling 1 layer 3 oz thick copper pcb board