1.Building automation system PCB; 2.good quality,reasonable price; 3.quicker delivery; ... free Materials(RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm ... ) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! Building automation system PCB