1.95% alumina ceramic pcb board 2. for lighting, rf antenna, vehicle instrument, gps, ... communication 3.ROHS, UL,ISO14001 1. double-sided 95% alumina ceramic pcb2. application for Resident and commercial lighting, LED bulb, and ... . Certificate: ROHS, UL, ISO9001-2000, ISO14001 double-sided 95% alumina ceramic pcb board for vehicle instrument with carbon ink