Chai Gang: Male, China nationality,/kloc-0, born in February 1977, with no permanent residency abroad, with a master's degree. He used to be the senior director of Shenzhen Dailier Jewelry Co., Ltd., the deputy general manager of Shenzhen Ruihong Jewelry Co., Ltd. and the deputy general manager of Shenzhen Piai Diamond Co., Ltd.; 2065438+May 2007, served as the deputy general manager of the company. He is currently a director and executive deputy general manager of the Company.