Ningbo Changlong Precision Component Manufacturing Co., Ltd specialized in Special Fastener, Bolt, Nut, Screw, Washer, machined part, CNC turned part, industry, manufacturer, supplier in China,
equipped with Japan CNC walking-mandrel lathes and effective O.D. ranges from 2.0mm to 50.0mm.Other machinery include automatic walking-knife lathes, secondary processing facilities and precise testing equipment to ensure your quality guaranteed.