... ,Rohs approved 4.Rich experience in PCB lin high power Aluminum pcb:1.Good quality with reasonable price ... ,3.0W/m-k,4.0W/m-k,High-conductivity5SurfacePlated gold,Imm gold,Plate Silver,Imm Silver ... Hole Size available0.25MM9Special processingThreaded holes,step holes,speaker holes,plus plastic file box10Peel Strength1.8-3n/ ... 600EEnterprise Standard:APC-STD-01 Enterprise Standard high power aluminum pcb