... PCB; 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic service; 5.UL,SGS,ROHS ... in higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send us RFQ ... ItemSpecification MaterialFR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS Compliant)/CEM-3/CEM-1/ ... E-testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, ...