... ,SGS,ROHS,ISO9000. We can manufacture PCB in higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send ... /CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm(tolerance)Copper Thickness1/2OZ ... 105um),+/-8um(tolerance),purity 99.5%Impedance Control±10%Bow and Twist MAX.0.75%(SMT)Anti-strip 0.88N/mmResistance ...