... logistic service; 5.UL,SGS,ROHS,ISO9000. We can manufacture PCB in higher quality, more competitive price, quicker delivery and better ... -1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm(tolerance)Copper Thickness1/ ... pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! Multilayer dvr PCB board