Ningbo Tianan (Group) Co., Ltd. is the state large-scale enterprise, one of the key state-level hi-new technology enterprises and the key enterprise in the China power transmission and distribution industry. It was established in 1994 on the basis of the regional state-run Xiangshan High Voltage Electrical Equipment Factory, which was built in 1969.Currently the group owns a provincial-level research and development center and over ten economic and industrial companies.