... 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic service; We can manufacture PCB in ... for more messages, pls contact with us freely!ItemSpecification MaterialFR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS ... CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm ... ,ROHS,UL, Welcome to visit WALBOND ! 4 Layer PCB with buried&blind hole