1.4L dvd decoder PCB; 2.good quality,reasonable price; 3.quicker ... 5.UL,SGS,ROHS,ISO We can manufacture PCB in higher quality, more competitive price, quicker ... Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm ... first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 4 Layer PCB for dvd decoder board