Chinese nationality, university degree, controlling shareholder and actual controller of the company. Since October 1998, he has successively served as the director, deputy manager and deputy chairman of the company's marketing department. He is currently the chairman of the company, the vice chairman of the Jiangsu General Chamber of Commerce, the representative of the 17th People's Congress of Suzhou, the vice chairman of the Suzhou Federation of Industry and Commerce, and the chairman of the Suzhou New Generation Entrepreneurs Chamber of Commerce (directly affiliated to the Chamber of Commerce).

American nationality, master degree. He has worked in American Feichuang Company, American Hughes Systems Company, American MCE Technology Company, American Celiant Company and Andrew Company. He is now the vice chairman of the company.

Chinese nationality, university degree, controlling shareholder and actual controller of the company. Since October 1998, he has successively served as the director and supervisor of the company's manufacturing department. He is currently the director and general manager of the company, the chairman of Yancheng Electronic Information Industry Association, and the member of the 5th Committee of Wuzhong District, Suzhou, CPPCC.

Chinese nationality, university degree. He once worked in Zhuhai Zixiang Electronic Technology Co., Ltd. Currently, he is the director and executive president of the company, member of the 12th Committee of the CPPCC Jiangsu Provincial Committee, and vice chairman of the China Electronics Industry Association.

Chinese nationality, graduate degree, economist. He has worked in Suzhou Huacheng Automobile Trade Group Co., Ltd. and Jiangsu Wuzhong Industrial Co., Ltd. He is now the director, deputy general manager, secretary of the board of directors of the company, and director of the new federation of Wuzhong District, Suzhou.

Chinese nationality, master's degree, certified public accountant (non practicing). He has worked in Kunshan Fengrui United Certified Public Accountants and Suzhou Guteche Electronics Co., Ltd. He is currently the director, deputy general manager and chief financial officer of the company, the off-campus tutor of Soochow Business School of Soochow University, and the off-campus career development tutor of Renmin University of China Suzhou Campus.

Chinese nationality, master degree. From August 1983 to now, he has successively served as a teacher, director, secretary of the General Party Branch, director, president and professor of the Department of Science and Technology of the School of Materials Science and Engineering of Nanjing University of Engineering. He served as an independent director of the Company from December 2007 to November 2013. He is now an independent director of the Company. At present, he is also the director of the Key Laboratory of Advanced Structural Materials and Applied Technology of Jiangsu Province, the director of the China Heat Treatment Society, the chairman of the Industrial Furnace Branch of the Jiangsu Society of Mechanical Engineering, and the vice chairman of the New Metal Materials Branch of the Jiangsu Metallurgical Industry Association.

Hong Kong native, doctor degree. He has worked in CITIC Securities Tianjin Business Department, Tianjin Equity Exchange, Anhui Antai Law Firm, China Bao'an Group, Hong Kong Hengfeng International Investment Co., Ltd., Chen Junhong Law Firm (Hong Kong) and Dan Haodun International Law Firm (Hong Kong). He is now an independent director of the Company and a consultant lawyer of Zhongda International Law Firm (Hong Kong). At present, he is also a visiting associate professor of the Law School of Anhui University, an arbitrator of the China International Economic and Trade Arbitration Commission, an arbitrator of the Cross-Strait Arbitration Center, and an arbitrator of the Xiamen Arbitration Commission.

Chinese nationality, born in September 1968, doctor, senior accountant, practicing member of certified public accountant, and non-practicing member of certified tax agent. He has worked in Panda Electronics Group, Jiangsu Jinling Certified Public Accountants, Nanjing Labor Bureau, Huatai Securities Co., Ltd., Nanjing Communications Construction Group Co., Ltd., Yincheng Real Estate Group Co., Ltd. and its affiliated enterprises, Jiangsu Shengkun Capital Management Co., Ltd., Jiangsu Xinsheng Investment Management Co., Ltd., Shenwu Energy Conservation Co., Ltd., Hefei Jieshijie New Materials Co., Ltd Jiangsu Limin Paper Packaging Co., Ltd. He is currently the deputy general manager of Jiangsu Branch of Yongtuo Certified Public Accountants (special general partnership) and the financial director of Nanjing Borun Brain Intelligence Technology Co., Ltd. He served as an independent director of the Company from December 2013 to June 2020. He is now the independent director of the company, and is also the director of Nanjing Borun Intelligent Technology Co., Ltd., the independent director of Guangzhou Haozhi Electromechanical Co., Ltd., the independent director of Nanjing Kent Composite Materials Co., Ltd., the independent director of Jiangsu Sanlian Bioengineering Co., Ltd., the supervisor of Jiangsu Xinruide System Integration Engineering Co., Ltd., and the off-campus supervisor of the master of accounting graduate student of Nanjing University of Information Engineering Off-school supervisor of Shenyang University Master of Accounting.