... UL Welcome to Hangzhou Singo Tech Co.,ltd.Hangzhou Singo Tech Co. Ltd, located in West Lake technology park in ... molding machine, ultrasonic cleaning machines etcOur PCB board manufacture and PCB assembly service: * PCB board file with parts list provided by customers ... Layer1,2,4 or 6,upto 18 layerOrder Quantity1 to 50,000Board ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, ...