Ningbo Changzhen Copper Co., Ltd. was established in 1984 and is a high-tech enterprise specializing in the research and development and production of high-performance, high-precision copper alloy end profiles. The company's flagship "Changzhen" brand eco-friendly copper materials are widely used in industries such as machinery, electronics, 5G communications, automotive parts, and refrigeration. Its products have been recognized as Zhejiang Manufacturing Excellence and Provincial Brand Products. The company has been honored as a National Model Enterprise for Manufacturing Single Champions, a National Green Factory, and a National Model Enterprise for Green Design of Industrial Products. In 2007, the company introduced the Excellence Performance Model and subsequently obtained certifications including ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, IATF16949 Automotive Quality Management System, Intellectual Property Management System, and TUV certification.