... others4) Characters: White(default) or others5) Surface technique: Tin soldering, plating gold, immersion gold,OSPDiscription:1) Layer: 1-402) Board finished ... ,HAL, Chemical tin,Chemical Gold, Immersion Silver/Gold,OSP,Gold plating 8) Copper thickness: 0.5-7.0 OZ9) Solder mask color ... : green/yellow/black/white/red/blue10) Copper thickness in hole: >25.0 um (>1mil)11)Inner packing ...