1.PCB design and assembly 2.Engineering service 3.UL.CE.FCC.Rohs approval 4.Various size 5. ... capacity. Multi-layer PCB Specificationproviding you one-stop pcb assemblies service.1Layer1-12 layer2MaterialFR-1,FR-2,FR-4,CEM-1 ... /TS16949,ROHS15profiling punchingRouting,V-CUT,Beveling More relative pictures: PCBA service