... 3.UL,Rohs approved 4.Rich experience in PCB lin high power Aluminum pcb:1.Good quality with reasonable price 2.In ... /m-k,3.0W/m-k,4.0W/m-k,High-conductivity5SurfacePlated gold,Imm gold,Plate Silver,Imm Silver,OSP,HASL ... Standard:IPC-A-600EEnterprise Standard:APC-STD-01 Enterprise Standard high power aluminum pcb