De Qiang Zhou

China Institute of Communications is a voluntary organization that represents national information and communication technology workers, as well as related enterprises, institutions, and social organizations. The non-profit company is based in Beijing, China.

China PTAC Communications Services Co., Ltd. is a Chinese company that was founded in 2000. The private company is based in Beijing, China and wholesales electronic and communication equipment.

China Telecommunications Corp. provides cross-region, fully integrated information services and a customer service channel system to global customers. It offers fiber broadband Internet access, long term evolution- frequency division duplex fourth-generation wireless operation; Internet protocol television and fixed-line telephone services. The company was founded on April 27, 1995 and is headquartered in Beijing, China.

China Energy Investment Corp. Ltd. engages in coal production, sales, electricity & thermal generation, coal liquefaction & coal chemicals, railway and port transportation. The company was founded on October 23, 1995 and is headquartered in Beijing, China.