Muri 2022
Tuzagerageza mumyaka itatu kugirango twubake urwego rwose rwinganda kuva kama kama kama kama kama, kuva mubukorikori gakondo kugeza mubukorikori bwiza, kandi twubake uruganda rukora imiti rufite imiterere yihariye muburengerazuba bwa Mongoliya.
Muri 2017
Noneho dushingiye ku nyungu zumutungo wa alkali sulfide, hamwe na sodium sulfide yonyine yo gukora kugirango dutezimbere ibindi bicuruzwa.
Muri 2014
Muri 2014, mu rwego rwo kuzamura ibidukikije ku isi, dushora imari irenga miliyoni 75 yo kongera kubaka umurongo w’ikoranabuhanga utunganya ibicuruzwa muri Dengkou y’inganda muri Mongoliya, kandi twabonye ko buri mwaka toni 20.000 za sodium sulfide nkeya.
Mu 2001
Mu 2001, yitwa Inner Mongolia Lichuan Chemical Co., Ltd.
Mu 1998
Mu 1998, yinjiye muri Mongoliya Yili Resources Group
Mu 1985
Mu 1985, Yahinduye izina ayita abahinzi ba Bameng HKMA hanyuma yimurirwa mu gukora sodium sulfide ya “BaYan”, ikaba ari uruganda rukora imiti mu karere ka Bayannaoer.
Mu 1969
Uwahoze ari uruganda rukora imiti muri Mongoliya Lichuan yari uruganda rwo gusana inganda, rwashinzwe mu 1969 n’umushinga w’imbere n’ubwubatsi wo mu karere ka Beijing.