Single-sided pcbs Base material: fr-4 cem-1 Copper thickness: 0.5-2.0 oz Thickness: 0.2-3.0mm Solder mask: green, black, red, yellow, white Min. Line width: 0.3mm Min. Line space: 0.3mm Min. Hole diameter: 0.3mm Max board size : 600 x 1200mm Lead time:four days Well and high quality control Prompt delivery Small order acceptable Perfect craft procedure Customer's designs are welcome