... 22 Layer PCB fabrication, PCB design, PCB layout, PCB manufacturing, PCB Assemblies, components sourcing, PCBA Function Test, design solution.Needed:1. PCB Gerber File and BOM List2 ... ensure: UL approval, TS16949:200214) Special requirements: Buried and Blind vias, impedance control, via plug, BGA soldering, Gold finger.15) Profiling: punching ...