... delivery 4, strictly QC control PCB Specification providing OEM service to all sorts of printed circuit board assembly 1 Layer 1-30 ... -4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2 3 Board thickness 0.2mm-7mm 4 Max ... ,ROHS,CQC,SGS 15 profiling punching Routing,V-CUT,Beveling double sided lcd controller board