1.High Standard Flexible electronic PCB 2.UL,SGS,Rohs ... us o PCB board with parts assembled o Electronic testing circuit board or PCBA o Fast delivery ... Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc.Board CuttingShear ... reflow soldering technology for SMT.----High Standard SMT&Solder Assembly Line---- High density interconnected board placement technology ...