1, controller board with red oil 2, experienced design and copy service 3, fast delivery 4, strictly QC control PCB ... Silver/Gold,Osp,Gold Plating9Copper thickness0.5oz Min.,5.0oz Max10Solder mask colorgreen/black/white/red/blue/ ... packing,Plastic bag12Outer packingstandard carton paking13Hole tolerancePTH:±0.076,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC,SGS15profiling punchingRouting, ...