PCB Design,cloning,optimization services provider PCB Gerbers&Bom file maker PCB 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 Zhejiang province, is only about an hour's drive from Shanghai International Financial Center. Founded in 2000, our company is a high-tech modern enterprise.We ...