Nov 13 (Reuters) - Alexium International Group Ltd AJX.AX
* Dirk Van Hyning appointed as managing director
* Chair Gavin Rezos to retire in May 2018
Nov 13 (Reuters) - Alexium International Group Ltd AJX.AX
* Dirk Van Hyning appointed as managing director
* Chair Gavin Rezos to retire in May 2018