material Aluminium,thickness 1.6mm,surface finished HASL competitive price ,best quality, prompt delivery & best service Single-sided Printed Circuit Board:Layer count ... -3.2mm;Copper weight:0.5-2.0mil;Min.line width: 0.3mm;Min.line space:0.3mm;Min.hole diameter ... well perfect products. Single side Aluminum PCB ,LED Aluminum PCB,printed circuit board,PCB electronic , PCB layout design,PCB game board ...