UMC [UNITED MICROELECTRONICS] 6-K: (Original Filing)
[www.umc.com Description 99.1 Announcement on 2020/02/11: Represent subsidiary HEJIAN TECHNOLOGY (SUZHOU) CO., LTD. to announce of acquisition of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD. 99.2 Announcement on 2020/02/12: To announce related materials on acquisition of machinery and equipment 99.3 Annou]