Mr. Sun joined China Air Service in 1988. In 1995, he was assigned to lead the market development in Frankfurt, Germany as General Manager in SINORAMA Travel & Trading. In 1999, he was appointed as General Manager of China Air Service Ltd. Under his leadership, China Air Service has experienced phenomenal growth in terms of business scope and service network. China Air Service has developed the joint venture of Zhonghangjiaxin Business Travel Management Ltd. with CWT. Mr. Sun is the member of Agents Standing Committee of China Air Transport Association.