1 9 5 6 , ▁" the ▁C attle ▁Bre eding ▁Team ▁of ▁H oh hot ▁Hu imin ▁District " ▁was ▁established . ▁In ▁ 1 9 5 8 , ▁it ▁was ▁renamed ▁as ▁" the ▁Cooper ative ▁D air y ▁Farm ▁of ▁H oh hot ▁Hu imin ▁District ", ▁which ▁is ▁the ▁prede cess or ▁of ▁the ▁Y ili ▁Group . ▁In ▁February ▁ 1 9 9 7 , ▁the ▁Y ili ▁Group ▁was ▁formally ▁established ▁and ▁put ▁into ▁production ▁the ▁first ▁production ▁line ▁of ▁T etra ▁Pak ▁Mil k . ▁In ▁July ▁ 2 0 0 5 , ▁the ▁Y og urt ▁Division ▁was ▁established . ▁In ▁ 2 0 1 0 , ▁the ▁Y ili ▁Group ▁officially ▁released ▁the ▁new ▁log os , ▁the ▁brand ▁ideas ▁and ▁the ▁enter prise ▁vis ions . ▁In ▁December ▁ 2 0 1 8 , ▁the ▁Y ili ▁Group ▁was ▁r ated ▁as ▁an ▁out standing ▁private ▁enter prise ▁in ▁Inner ▁Mong olia ▁Aut onom ous ▁Region . ▁In ▁ 2 0 1 8 , ▁it ▁achieved ▁a ▁total ▁operating ▁income ▁of ▁nearly ▁ 8 0 ▁billion ▁y uan — the ▁best ▁achiev ement ▁in ▁Asian ▁D air y ▁Enter pr ises . ▁ ▁On ▁ 1 8 ▁March ▁ 2 0 1 9 , ▁the ▁group ▁signed ▁an ▁agreement ▁to ▁ac quire ▁ 1 0 0 % ▁equ ity ▁of ▁New ▁Zealand ▁da iry ▁co - oper ative ▁West land ▁Mil k ▁Product s ▁– ▁which ▁was ▁rat ified ▁by ▁West land ▁share