求购铝基板

求购LED大功率铝基板PCB 用途 ： No. Size 1 2*2 CM, 1 LED 2 5.5*5.5CM, 3 LED 3 10*2.5CM, 4 LED 4 15.7*3.4CM, 6 LED 5 23.5*3.4CM, 9 LED 6 10.8*10.8CM, 18 LED