1976
Deosen Liquor nrhiav tau
1992
Deosen Xanthan Gum nrhiav tau
2002
Deosen fais fab nroj tsuag nrhiav tau
Unitech Chemcials (Zibo) Ltd. nrhiav tau
2006
Deosen Xanthan Gum tau dhau los ua No.01 muaj peev xwm thiab muaj npe nrov hauv ntiaj teb
Deosen Xanthan Muag ntawm RMB1.7 billion
Unitech Sweet (Zibo) Ltd. nrhiav tau
Deosen Real Estate nrhiav tau
2007
United Group nrhiav tsis tau Deosen Group
2011
Unisweet (Shandong) Sucralose chaw tsim tshuaj paus Co., Ltd. Tsim muaj
2016
Unitech Chemcials (Zibo) Ltd. nrog organic av nplaum project loj
2021
Unitech Chemcials (Zibo) Ltd. nrog Sucralose qhov project nrhiav tau