circuit electronic pcb board is the best selling line in our factory,pcb assembly,rigid pcb past UL,ISO9001,ISO14001,ROHS. circuit electronic ,pcb assembly,pcb board,rigid 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, ...