... Schematics,layout,mcu design,prototype Welcome to Hangzhou Singo Tech Co.,ltd.Hangzhou Singo Tech Co. Ltd, located in West Lake technology park in Hangzhou ... Center. Founded in 2000, our company is a high-tech modern enterprise.We focus on PCBAdesign, manufacture and PCB assembling ... Weight1.0, 1.5, 2.0 ozSolder MaskDouble-sided green LPI,Also support Red,White,Yellow,Blue,BlackSilk ScreenDouble-sided ...