... dvd decoder PCB; 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic service; 5.UL,SGS,ROHS,ISO We can manufacture PCB ... Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm( ... percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 4 Layer PCB for dvd decoder board