Ningbo Changlong Med Machinery Co., Ltd. is a national high-tech corporation in China. We follow ISO9001:2000 standard and focus on providing components for auto, aviation, electron & electrical appliance industries. After a few years of development, we have had a modern CNC machining center for the products with effective O.D. ranging from 2.0mm to 50.0mm. Our other machinery includes automatic walking-knife lathes, secondary processing facilities and precise testing equipment.Our factories strictly implement the ISO9001 quality system, from raw material process to production. Each link is operated according to the strict technology and is equipped with high quality supervisors, perfect testing machines, and effective production control process, all of which ensure the quality of each product. To meet customers' various requirements and grow up together with our clients, we have set up several departments in charge of sourcing to enlarge our product range. Our business includes mould design, die casting, fittings, gear cutting, plating, cold-forming, laser cutting, CNC machining, welding fixture, handles, clamps, flange plates, gears & pinions, shafts, pliers, and screws.Insisting on the enterprise culture of "supreme sincerity, supreme precise, supreme goodness, and supreme beauty", we strive to satisfy customers' demands to the largest extent with our excellent products and service.