... layout,mcu design,prototype Welcome to Hangzhou Singo Tech Co.,ltd.Hangzhou Singo Tech Co. Ltd, located in West Lake technology park in ... Founded in 2000, our company is a high-tech modern enterprise.We focus on PCBAdesign, manufacture and PCB assembling, ... certificate upon customers' requirement.1,material supply and inspection2,process control and testBest after-sale servicesales direct line: 86 - ...