Senshan Yang

Mr. Senshan Yang has been Chief Executive Officer since February 8, 2006, and a Director since February 10, 2006. He has been Chairman and General Manager of Konzern since July 2000. Prior to that, Mr. Yang served as a Manager Associate for Guangdong Maoming Petroleum Corporation, a state-owned company, for nearly 20 years. Mr. Yang obtained his bachelor's degree from South China University of Technology in 1981.

Minhua Liu

Ms. Minhua Liu has been Executive Vice President since February 8, 2006, and a Director since February 10, 2006. She has been Vice General Manager of Konzern since July 2000. Prior to that, she served as a herbalist doctor for China Military Science Qiming Research Center in Beijing , responsible for the health care of all staff of the research center. Ms. Liu obtained her bachelor's degree from Beijing College of Traditional Chinese Medicine in 1992.

Huizhen Yu

Ms. Huizhen Yu has been Chief Financial Officer since February 10, 2006, and Chief Financial Officer of Konzern since October 2002. Ms. Yu was an accountant for Shenzhen Liuge Bicycle Equipment Co., Ltd. from 2000 until 2002, and an accountant for Guangzhou JoinWin Consultancy Ltd. from 1997 to 2000. She obtained her bachelor's degree from Jinan University in Guangzhou and a Middle Level Accountant Certificate in China in 2002.