Ningbo Juding Punching parts Co., Ltd. is a professional manufacturer of hydraulic sanitary fittings, refrigeration valve fittings, pneumatic quick couplings and pneumatic fittings, specializing in copper and other metal materials for finishing manufacturers. The factory has passed ISO9001: 2000 quality management certification and advanced production equipment. Factories always adhere to the "customer is the root of all of the company" to provide our customers with high quality