Bicheng provides RD, high-tech companies and organizations, large and small, and some universities with quick turn prototypes. Main parameters: 1). Material: FR-4, High Tg FR-4 2). Layer count: 2 -16 Layer, 20 m PTH 3). Thickness: 0.5-1.6mm +/- 10% 4). Copper weight(Finished): 18-35 m 5). SMOBC: LPI Green solder mask/ White legend 6). Holes: 0.3mm minimum, 4/4 mil track/space 7). Pads finish: HASL, HASL Pb 8). Delivery time (calendar day) 2 Layer -- 1 days 4 Layer -- 3 days 6 Layer -- 5 days 8 Layer -- 5 days 10 Layer -- 7 days 12 Layer -- 10 days 14 Layer -- 12 days 16 Layer -- 12 days. Packing: vacuum bag and carton box outside. Max. 25kg/ctn.