... Assembly - Prototyping - Cable and Wire Assemblies - Plastics and MoldsMilitary standard assembly Surface mount, through hole, BGA, QFP, QFN … ROHS ... Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5-4.0oz10Solder mask colorgreen/black/white/red/blue/yellow11Inner ... technology.4) PCB Assembly With UL,CE,FCC,Rohs Approval5) Nitrogen gas reflow soldering technology for SMT.6) High Standard SMT ...