Zhejiang Zhongsheng Auto Electric Co., Ltd. is a wholly-owned subsidiary of Hubei Sanhuan Auto Electric Co., Ltd., located in Ningbo City, Zhejiang Province. The company is the core supplier of Geely Group. It mainly develops and produces a series of products such as door handles and fuel filler boxes for Geely Group. It has advanced production processes such as injection molding and spraying and automatic assembly lines. It is the "demonstration window" of Sanhuan Electric in Geely Group. and "Bridgehead".