... pcb board 2. Green solder mask, Immersion gold 3. with Competitive priceGeneral Specifications CapabilityMaterial Requirements: SizeMax.Finshed ... ,HASL lead-free,HAL,Flash gold,immersion gold,OSP,Gold Finger Palting,Selective thick gold plating, immersion silver,immersion tin ... blind vias, impedance control, thick Cu PCB,selectivity plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, ...