... PCB ManufactureMaterial: FR4, High TG FR4, Halogen Free material, Rogers HF material, etc.Layer counts: 2-28 ... Thickness: 0.5-5 OZFinished Board Thickness: 0.2-6.0mmMin. Line/Track Width: 4milMin. Line/ ... , white, yellow, purple, and matt, etc.Solder mask hardness: 6HLegend/Silk screen Color: white, yellow, black, etc.Surface Treatment: ... and ODM service are welcome. PCB with green solder mask factory