Brief biography of supervisors

1.       Jiang Jinhua

Mr. Jiang Jinhua (姜金華先生),  aged 49, is our Shareholder representative Supervisor and chairman of  the Supervisory Committee. Mr. Jiang joined our Group on February 7,  2021 and was appointed as our Supervisor on the same day. Mr. Jiang is  mainly responsible for supervising our Directors and senior management  of our Company on fulfillment of their duties.

Since  December 2020, Mr. Jiang has been the party secretary and chairman of  the board of directors for Jintan Holding, and is mainly responsible for  the party committee work of Jintan Holding. Since September 2021, Mr.  Jiang has been the executive director and general manager of Jiangsu  Jintan Zhonghe Investment Co., Ltd. Prior to joining our Group, Mr.  Jiang served as party working committee secretary (黨工委書記) at Xicheng Sub-District of Jintan District* (金壇區西城街道)  from March 2019 to December 2020. From May 2017 to March 2019, he was  the director of the district committee office of Jintan District  Committee Office* (金壇區委辦公室) where he  was primarily responsible for the overall work and reform of the Jintan  District Committee Office. Prior to that, he worked as deputy secretary  of the party committee and town mayor (黨委副書記及鎮長) of Zhiqian Town, Jintan District* (金壇區指 前鎮)  from December 2013 to May 2017. From August 2006 to December 2013, Mr.  Jiang worked at various positions at party committee of Jincheng Town,  Jintan District* (金壇區金 城鎮黨委) where his last position was deputy secretary of the party committee (黨委副書記) and director of Political Consultation Conference Working Committee (政協工委主任)  of Jincheng Town of Jintan District, and is mainly responsible for the  party building and work of the Political Consultative Conference Working  Committee of Jincheng Town.

2.       Cheng Yan

Ms. Cheng Yan (程雁女士),  aged 48, is our Shareholder representative Supervisor. Ms. Cheng joined  our Group on August 13, 2019 and was appointed as our Supervisor on the  same day. Ms. Cheng is mainly responsible for supervising our Directors  and senior management of our Company fulfillment of their duties.

Ms.  Cheng possesses extensive experience in the fields of financial and  corporate governance. Ms. Cheng joined Chengfei Integration since  January 2002, a company primarily engaged in the design, development and  manufacturing of the tools and dies, with typical products such as the  dies for the large and high-grade outer skin panels used in medium and  high-grade cars and has successively served as various positions  including person in charge of planning department, manager of planning  and development department, management department and securities  department, manager of the project management department, the vice  general manager, financial manager, board secretary and director of  Chengfei Integration. Currently Ms. Cheng is mainly responsible for  Chengfei Integration’s finance work, information disclosure related  matters, management of relationship with investors and dealing with  matters in relation to the board meetings.

3.       Nian Mingzhu

Ms. Nian Mingzhu (念明珠女士),  aged 35, is our employee representative Supervisor. Ms. Nian joined our  Group on July 15, 2019 and was appointed as our Supervisor on September  15, 2020. She is mainly responsible for supervising our Directors and  senior management of our Company on fulfillment of their duties. Apart  from being our Supervisor, she worked as an equipment procurement  director at Xiamen Company from July 2019 to September 2020 and has been  the equipment procurement director of our Company since September 2020.  Ms. Nian is mainly responsible for supervising our Group’s equipment  procurement. Ms. Nian also serves as a supervisor for Hefei Company,  Chengdu Company, Shenzhen Research Institute, Xiamen Company, Fujian  Company, Jiangmen Company and Sichuan Company.

Prior to joining our Group, Ms. Nian worked at Xiamen Tianma Microelectronics Co., Ltd.* (廈門天馬微電子有限公司),  a subsidiary of Tianma, successively as capital accountant, asset  accountant and auditor from July 2011 to July 2019 and was mainly  responsible for its daily capital management, asset accounting, annual  audit of the financial statements of overseas subsidiaries, various  special management audits and accountability audits of the senior  management.