1. 2.0W aluminum base material 2.anti-yellow white ink 3.UL,SGS,ROHS,ISO9001,IPC 4.manufacturer with rich experience Grandwork is professional and reliable PCB manufacturer which is located in Guangdong, China. It's specialized in manufacturing single side PCB, double side PCB, multilayer PCB, especially in aluminum PCB, DVD PCB and power supply PCB. Features of Aluminum Material1. Material --- ...