$千兆微波(GIGA)$ 8-K - Current report Filed: 2019-03-12 AccNo: 0001437749-19-004664 Size: 25 KBItem 1.01: Entry into a Material Definitive AgreementItem 3.02: Unregistered Sales of Equity SecuritiesItem 9.01: Financial Statements and Exhibits 网页链接