$儒博实业(ROP)$ 8-K - Current report Filed: 2019-02-01 AccNo: 0000882835-19-000007 Size: 150 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