aluminum substrate pcb for lighting: 2.0W aluminum base material anti-yellow white ... UL,SGS,ROHS,ISO9001,IPC 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 Material 1 ...