1.High Standard Flexible electronic PCB 2.UL,SGS,Rohs Certificated PCB 3. ... round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers, ... ----Nitrogen gas reflow soldering technology for SMT.----High Standard SMT&Solder Assembly Line---- High density interconnected board placement technology capacity.Quote ...