Mr. Tsoi Hoi Shan is an executive director and the Chairman of the Company. Mr. Tsoi joined the Group in 2000 as a supervisor of the quality control department and was responsible to supervise the production process at the Hong Kong Yuen Long Plant and ensure that it is in compliance with the Good Manufacturing Practice. Mr. Choi graduated from Tongji University in 1998 as a Bachelor of Pharmacy. Mr. Tsoi is the brother of Ms. Choy Siu Chit, who is an executive director of the Company.

Mr. Leung Wing Hon is an executive director, the Vice-Chairman, the Chief Financial Officer and the Company Secretary of the Company. Mr. Leung is a fellow member of the Hong Kong Institute of Certified Public Accountants, a fellow member of the Association of International Accountants and a fellow member of The Taxation Institute of Hong Kong. He holds a Bachelor of Accountancy degree from University of Bolton and Postgraduate Certificate in Business Administration from University of Leicester in the United Kingdom. Mr. Leung has over 20 years' experience in accounting, finance management and business administration. Mr. Leung joined the Group in 1997 and is responsible for overseeing the financial matters of the Group.

Ms. Choy Siu Chit is an executive director of the Company. Ms. Choy joined the Group in 1990. She handled the Drug Master File submission relating to the Group's amoxicillin bulk medicine with the FDA pursuant to which the Group became the holder of Drug Master File Type II (no. DMF 15377) relating to its amoxicillin bulk medicine in 2001. Ms. Choy also holds directorship in certain subsidiaries of the Company. She passed the Private Equity Investment Fund Advanced Class organized by the Beijing University with distinction in 2010. Ms. Choy is a director of Mighty Brokerage (Asia) Limited, which principally provides brokerage and securities trading services in Hong Kong. She is the sister of Mr. Tsoi Hoi Shan, an executive director and the Chairman of the Company.

Mr. Fang Yu Ping is an executive director of the Company . Mr. Fang graduated from the Medical School of Southeast University in the PRC, with a bachelor's degree in medicine in 1986. After graduation, he served as a teaching staff member of the School for 8 years. Mr. Fang joined the Group in 1995 and had served a vice president of the Group . He was the general manager of China Sales Division of Finished Products from 2011 to 2018.

Ms. Zou Xian Hong is an executive director of the Company . Ms. Zou graduated from China Pharmaceutical University in 1984 and obtained her Executive Master of Business Administration from Hunan University in 2005. In June 2010, Ms. Zou obtained a doctorate in management science of Central South University. Ms. Zou has over 20 years' experience in the PRC pharmaceutical industry. Ms. Zou was employed as a teacher at the Hunan Medical Middle School from 1988 to 1993 prior to joining the Group in 1994. Since joining the Group, she had served a vice president of the Group and has been responsible for the sales management of the Group. She was the general manager of China Sales Division of Finished Products from 2008 to 2010.

Ms. Zhu Su Yan aged 54, is an executive director of the Company . Ms. Zhu graduated from Southeast University in the PRC in 1988. She was granted a degree of Executive Master of Business Administration from Business School of Nanjing University in 2005. Ms. Zhu worked in Nanjing Gulou Hospital as a neurosurgeon from 1988 to 1993, and joined Pfizer in 1994. She joined the Group in early 1995 and had served a vice president of the Group, regional manager of Jiangsu Province and general manager of China Sales Division of Finished Products etc. Ms. Zhu has extensive experience in the sales and marketing of pharmaceutical products in the PRC and is principally responsible for the sales and marketing of the Group's products in the PRC.