High quality Super thick pcb is offered by China manufacturer Hongxinda. Advanced Super thick pcb has a higher current-carrying capacity. In the PCB substrate, the copper layer is used to connect different circuit components and conduct electricity. When the circuit board needs to carry a lot of current, a Super thick pcb,Impedance circuit board layer is needed. Generally, the thickness of the copper layer of the thick copper ultra-thick PCB is from 2oz to 20oz, and this kind of PCB can handle a large current while making sure the stability and reliability of the circuit board.Our factory offer Super thick pcb free sample.