... you:1-16 layer FR-4 PCB board, 1-2 layer Aluminum PCB1-6 oz copper thickness0.2 mm hole size 0.1 mm ... supply, GPS, Safety ,camera, set-top box, medical device, Telecommunication, LED light and so on. ItemManufacture CapabilityMaterialFR-4 / Hi Tg FR ... products meet RoHS standards.ROHS:A001C100827049001-2SGS:CANEC1000312001UL:E320045 CEM pcb board with immersion gold in China__manufacturing