... ISO9001-2000, ISO14001Our Manufacturing Capability for PCB Board1). Material type: CEM-3,FR-4,FR-4- TG170/TG180, Halogen Free,Rogers,Arlon ... requirements: Buried and blind vias, impedance control, thick Cu PCB,selectivity plating gold 30 microinch 18. Profiling: Punching, Routing, ... pcb, 72 hours for 6L and 8L pcb, 120 hours for 10L or more high pcb at the soonest. mobile phone keyboard 4 layer pcb ...