1999
1999- I whakatuu te tipu hiko kauwhata.
2000
2000- Hokona 10 + roopu Miihini Miihini
2007
2007-Hou-hanga 18- ruma mowhiti oumu tunu
2014
2014-Hu-hanga 20000KVA LWG umu kauwhata
2015
2014-Purcahse Nga miihini hanga taiao hou
2016
2016-Hanga te 24 cans calciner
2017
2017-Hou I hanga tetahi atu whare putunga nui mo te graphite electrode me te CPC
2018
2018-Ko o tatou hua he powhiri huri noa i te wheketere maitai o te ao
2019
I te mutunga o te tau 2019 Hokona nga taputapu kuru me nga taputapu tirotiro
2020
I tenei ra he nui o maatau wheako mo te whakaputa me te hoko atu i te GE me te Carbon Additives