1.OEM pcba,SMT,DIPand final Assembly; 2.Componets source; 3.Packing box build&logistics management; 4.Capacity:2,000,000 ... -20 MaterialFr-4.Aluminium Base,Rogers,Taconic Finish Board Thickness 02--3.2mm. External Copper Thickness 35um-385um Internal Copper Thickness 17um ...