1.Single layer PCB 2.Immersion gold 3.Delivery in 5-7 days 4.ISO9001,UL,ROHS,SGS ... standards 1.PCB manufacturer specialized in this field for many years.2.Professional engineers and ... .125mm, Punching: ±0.15mmBeveling30°45°Gold Finger angle15° 30° 45° 60°ColorSolder MaskGreen, Blue, Black, White, Yellow, Red, Matt Green, Matt ... :2008, SGS, UL single layer pcb with immersion gold