Aluminum PCB design for LED board Application:Our PCB can be ... ,CEM1,CEM3, FR4,High TG/CTI FR4,Halogen Free, Rogers, Aluminum based, Lead free compatible, Hi Frequency.Factory Manufacture Capability: ItemManufacture ... , CEM1, CEM3, FR4,High TG/CTI FR4,Halogen Free, Rogers, Aluminum based, Lead free compatible, Hi Frequency.Layer No.1-24Finished ...