$比克电池(CBAK)$ 8-K - Current report Filed: 2017-06-01 AccNo: 0001062993-17-002782 Size: 128 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