1.4L computer PCB; 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic ... .UL,SGS,R We can manufacture PCB in higher quality, more competitive price, quicker delivery and better logistic ... 1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm(tolerance)Copper Thickness1 ... ,ISO,ROHS,UL, Welcome to visit WALBOND ! Multilayer computer PCB board