$欧尼克（万欧卡）(OKE)$ 8-K - Current report Filed: 2016-05-26 AccNo: 0001039684-16-000130 Size: 239 KBItem 5.07: Submission of Matters to a Vote of Security HoldersItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接