截至二零二一年十二月三十一日止之股份發行人的證券變動月報表

Monthly Return of Equity Issuer on Movements in Securities for the month ended 31 December 2021

有關中國電科第八研究所框架供應協議的 持續關連交易

CONTINUING CONNECTED TRANSACTIONS IN RELATION TO THE CETC 8TH RESEARCH INSTITUTE FRAMEWORK SUPPLY A...

更換核數師

CHANGE OF AUDITOR

截至二零二一年十一月三十日止月份之股份發行人的證券變動月報表

Monthly Return of Equity Issuer on Movements in Securities for the Month Ended 30 November 2021