$爱齐科技(ALGN)$ 8-K - Current report Filed: 2018-02-27 AccNo: 0001097149-18-000007 Size: 31 MBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 9.01: Financial 网页链接