... stamped and engravedProgram3.40,2.28,6.30MINUSECeritficationBV, KC, CE, PSE,GS Test ReportOrigin PlaceGuangzhou city,ChinaPrice TermFOB GuangzhouMOQ500pcsSample fee3-times of ... ' requested in seven working days.Certificate for the electronical part: CE, GS, ROHS, UL,PSE