Immersion gold circuit pcb is the best selling line in our factory, pcb & pcba,multilay pcb past UL,ISO9001, ISO14001,ROHS. Immersion gold circuit pcb, pcb & pcba,multilay pcbOur product developed most recently is lower priced than the competition. Reference - Our Production Capability for Rigid PCB:1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, CEM-1,CEM-3, High TG, ...