... Ceramic PCB 1.High quality, low cost and fast delivery 2.NO MOQ 3.one-stop-service 0.High quality aluminum pcb ... are guaranteed. Items technical index Material aluminum pcb, copper pcb, iron pcb,ceramic pcb,FR4Layer counts Single, double, four layer, ... dimension tolerancecnc:±0.1mm punching:±0.15mmIf our PCB specifications reach the requirements you need ,please ... ,welcome to our factory! led ceramic pcb