... higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send us RFQ ... for your reference, for more messages, pls contact with us freely! ItemSpecification MaterialFR-4 / Hi-Tg ... CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0 ... pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, ...