... delivery with high quality 3.UL,SGS,ROHS,IS09001,CEC 4.20 years in led pcb. The introduction of our company ... .Advanced production lines3.High quality & low cost, your trustworthy partner.4.Profession led pcb,mc pcb,fr4 pcb manufacturer.5.Top ... :0.4mmV-cut:0.33mm ( thickness<1.2mm)Base MaterialFR-4, High Frequency, PTFE (Teflon), Aluminum Base Material, Copper Base Material ...