led pcb board 1.Aluminum material; 2.Good quality with E- ... : UL, ISO,TS16949; 4. T/T,Western Union,Paypal round led pcb board with E-test 1. ONE-STOP-SERVICE ;2 ... 2012 Nov, 13-16th in Munich, Germany4.Booth: 71127, CES 2013 Jan,8th-11th in Las Vegas, USA AdvantagesFast delivery timeProfessional ...