... turn around 1. Double-Sided FR4 material 1 oz copper pcb board 2. Green solder mask, Immersion gold 3. with ... -shapeCertificates UL Cert. YISO Cert.ISO9001 :2008TS16949YISO14000YManufacturing Capability for PCB Board 1). Material type: CEM-3,FR-4,FR- ... Special requirements: Buried and blind vias, impedance control, thick Cu PCB,selectivity plating gold 30 microinch18). Profiling: Punching, Routing, V- ...