... ; 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic service; 5.UL,SGS,ROHS,ISO We ... (RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm(tolerance) ... Tolerance±0.1mmPTH/NPTH Tolerance±0.15mm(dia.=0.4-1.4mm)Pad Tolerance±0.1mm(dia.≥0.6mm ... SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 4 Layer PCB for dvd decoder board