Mr. Sun Lei: Employee representative supervisor, chairman of the board of Supervisors, Chinese nationality, born in April 1978, bachelor's degree. Since August 2017, Yinbang Clad Material Co.,Ltd., served successively as technical quality manager, deputy technical quality Director and technical quality Director of multi-metal workshop. Since January 12, 2021, he has served as supervisor and chairman of the Board of Supervisors.

Mr. Lv Youhua: Supervisor of the company, Chinese nationality, born in July 1972, senior high school education. From July 1992 to August 1998, worked as workshop Director of Wuxi County Aluminum Foil Factory; From August 1998 to December 2010, He served as director of production Department of Wuxi Yinbang Aluminum Co., LTD. From December 2010 to February 2015, successively served as supervisor and Minister of Production Department of Yinbang. From February 2015 to now, served as Project director of Yinbang. From May 2019 to present, I have served as the supervisor of the company.

Cao Lei, male, Chinese nationality, born in June 1987, college degree. From August 2008 to now, Yinbang Clad Material Co.,Ltd., successively served as customer quality engineer, customer technical Support Manager, Product Development Manager, Sales manager, sales manager and product development manager. From April 2021 to present, I have served as supervisor of the company.