$双环(TWIN)$ 8-K - Current report Filed: 2019-08-07 AccNo: 0001437749-19-015743 Size: 109 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 9.01: Financial Statements and Exhibits 网页链接