Cai Ji Zhen

Hunan Telecom Co. Ltd. provides telecommunication services. The company provides infrastructure including local telephone, wireless local access, and domestic and international long distance services. Hunan Telecom is headquartered in Changsha, China.

Datang Microelectronics Technology Co., Ltd. is a subsidiary of Datang Telecom Technology, Co., Ltd. It engages in the design and development of Integrated Circuit products. The company is headquartered in Beijing, CN.