led pcb 1.RoHS,UL 2.28leds,aluminum base PCB 3.with good thermal conductivity led pcb 4.Size:132X75mm ... MaterialAluminum AlloyCopper Thickness:1ozWidely Application:LED lighting, street lighting, lawn lamp, fluorescent lamp, miner's lamp, stage lamp, wall lamp, electronic, mechanical, communications ... Gerber files; Others with our confirmations. 28W SINGLE SIDE ALUMINUM PCB FOR LED STREET LIGHT