Mr. Ding has been serving as our Director since May 2022, our Chief Executive Officer since April 2023, and chief executive officer of Zhongjinke Shenzhen since October 2018. Since November 2021, Mr. Ding has also been serving as a Director of PSM-ZJK Fasteners (Shenzhen) Co., Ltd, a subsidiary which the Company indirectly owns 49% of equity interests. He has more than twenty years of experience in the manufacturing industry. From April 2016 to October 2018, Mr. Ding served as senior manager in PennEngineering & Manufacturing Corp. Mr. Ding served as senior manager in Yingfeng Global Technology (Shenzhen) Co., Ltd., a subsidiary of Stanley Engineered Fastening from October 2001 to April 2016. From March 2000 to October 2001, Mr. Ding served as manager in Huawei Technologies Co., Ltd. Mr. Ding holds a bachelor’s degree with a major in foreign trade and a master’s degree with a major in management engineering from Hangzhou Dianzi University.

Mr. Huang has been our Director since May 2022 and Chief Financial Officer since April 2023. He has more than 15 years of experience in finance and operations. He has been serving as executive director of Shenzhen Qianhai Shiwei Science Co., Ltd. since February 2021. From July 2020 to March 2022, he served as Chairman of Hagong Equity Investment Management Chengdu Co., Ltd. From May 2019 to December 2019, he served as President and director of Fujian Start Group Co., Ltd. From January 2017 to April 2019, he served as managing director of Zhejiang Zheshang Chanrong Asset Management Co., Ltd. From January 2012 to December 2016, Mr. Huang served as the Principal of Shenzhen Office of Minmetals International Trust Co., Ltd. From July 2007 to December 2011, he served as Senior Manager of China Merchants Bank Co Ltd. Mr. Huang holds a bachelor’s degree with a major in information system and information management from Hohai University and an MBA degree from the Chinese University of Hong Kong.