1976
Deosen Liquor imwaqqfa
1992
Deosen Xanthan Gum imwaqqfa
2002
Impjant tal-enerġija Deosen imwaqqfa
Unitech Chemcials (Zibo) ltd. imwaqqfa
2006
Deosen Xanthan Gum saret kapaċità ta 'produzzjoni No.01 u famużi ħafna fid-dinja
Deosen Xanthan Mibjugħ għal RMB1.7 biljun
Unitech Sweet (Zibo) Ltd imwaqqfa
Deosen Proprjetà immobbli mwaqqfa
2007
United Group imwaqqfa minflok Deosen Group
2011
Unisweet (Shandong) Sucralose manufacturering Co ltd. Imwaqqfa
2016
Unitech Chemcials (Zibo) ltd. bi proġett tafal organiku mkabbar
2021
Unitech Chemcials (Zibo) ltd. bil-proġett Sucralose imwaqqfa