... line in our factory.electronic component, pcb board, electronics past UL,ISO9001,ISO14001, ROHS pcb board,electronic component, circuit pcb, electronicsOur product developed most recently ... for Rigid PCB:1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, CEM-1,CEM-3, High TG, FR4 ...