Senshan Yang

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

Minhua Liu

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

Huizhen Yu

Ms. Huizhen Yu has been our Chief Financial Officer since February 10, 2006. She has been 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 Middle Level Accountant Certificate in China in 2002.