1.Reputable manufacturer 2.Certificate:ISO UL ROHS REACH 3.FR-4 PCB 4.Timely delivery 5.Reputable ... , Printed Circuit Board get ISO and UL Certificates and meet ROHS, REACH standardItemtechnical datelayers1-20 layersMax. Board size2000×610mmMin. board Thickness2 ... , Plating goldMaterialsFR4,H-TG,Teflon,Rogers,Ceramics,Aluminium, Copper base Hot Sale Aluminum PCB Printed Circuit Board for LED