Du: Male, born in 1977, China nationality, with no right of abode abroad. From June 2005 to September 2005, he served as the workshop director of the production department of Dongguan Golden Sun Grinding Co., Ltd.; From September 20 12 to May 20 17, he served as the employee representative supervisor and workshop director of the production department of the company; From May 20 17 to present, he has served as the director of the company and the workshop director of the production department.