... ISO14001 approved 4.Payment terms:T/T,Paypal mp3 board usb sd card / manufacturerWelcome to Eastwin! Our PCB board manufacture and ... Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg, Rohs compliant,Aluminum,Rogers,etc.Board CuttingShear,V-score ... Circuit Test),FCT(Functional Circuit Test) technology.----PCB Assembly With UL,CE,FCC,Rohs Approval----Nitrogen gas reflow soldering ...