... : 4 layers pcb, 10 layers pcb, more layers Multilayer pcb, 4 layers pcb, hdi board, electronic board:Layers:4- 16 layers or more;Material: FR-4,TG ;Thickness: 0.2-3 ... MOQ accpetable, prompt delivery, competitive price, UL quality control. Multilayer pcb, 4 layers pcb or more, hdi board, electronic board