1999
Xyoo 1999 - Tsim lub Hoobkas ua graphite electrode.
2000 xyoo
2000- Yuav 10+ pawg Mechanic Machines
Xyoo 2007
2007-Lub cub tawg ci ntsa iab 18 chav tshiab
2014
2014-Lub cub tawg graphitization tshiab 20000KVA LWG
2015
2014-Yuav Cov Tshuab Tsim Khoom Tshiab Rau Ib Puag Ncig
2016
2016-Tsim lub 24 lub lauj kaub calciner
2017
2017-Tshiab Ua lwm lub Tsev Loj rau graphite electrode thiab CPC
2018
2018-Peb cov khoom raug txais tos thoob plaws lub ntiaj teb lub Hoobkas hlau
2019
Thaum kawg ntawm xyoo 2019 Yuav cov khoom siv niaj hnub thiab cov khoom siv tshuaj ntsuam
2020
Niaj hnub no peb muaj kev paub txaus txog kev tsim thiab muag GE thiab Carbon Additives