$赛德科技(WSTG)$ 8-K - Current report Filed: 2019-07-10 AccNo: 0001558370-19-006063 Size: 74 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 8.01: Other EventsItem 9.01: Financial Statements and Exhibits 网页链接