... .Hangzhou Singo Tech Co. Ltd, located in West Lake technology park in Hangzhou Zhejiang province, is only about an ... PCB board manufacture and PCB assembly service: * PCB board file with parts list provided by customers * PCB board made, circuit board parts purchased by us * PCB board ... White,Yellow,Blue,BlackSilk ScreenDouble-sided or single-sided in white,yellow,black,or negativeSilk Screen Min Line ...