1.Flexible Circuit Board Assembly 2.UL,SGS,Rohs ... ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR ... Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10%Copper Weight Tolerance± 0 ... SMT&Solder Assembly Line---- High density interconnected board placement technology capacity.Quote requirement for pcb& ...