How old is Yu Hongkang? Director of riyue shares

Yu Hongkang: Male,/kloc-0, born in April, 1964, China nationality, without permanent residency abroad, college education, once served as deputy chief of production department of Yinxian Matie Factory, deputy chief of production department of Yinxian Foundry Branch of Ningbo Textile Machinery Factory, deputy chief of production department of Ningbo Riyue Mechanical Foundry Company, chief, deputy general manager and supervisor of production department of Ningbo Riyue Group Co., Ltd., supervisor of Ningbo Rixing Foundry Co., Ltd., director of Ningbo Riyue Foundry Co., Ltd. He is currently a director and deputy general manager of the fourth board of directors of the Company.