... in higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send us RFQ! This ... capacity for your reference, for more messages, pls contact with us freely!ItemSpecification MaterialFR-4 / Hi-Tg FR-4 ... red,yellow,black,white(LPI/MATT.,UL 94 V0 approved) Surface Finish HALtin height≤0.05mmENIGNickel 3-7um ... UL, Welcome to visit WALBOND ! 4L PCB with BGA and gold finger