PolandUniversity of Bielsko-Biala
ThailandU&C Holding (Thailand) CO.,LTD
MalaysiaUTM University
ChinaU-Chemo Holding Co.,Limited
United StatesUSA RefrigerantsChinaunited & technical chemicals co., ltd
Saudi ArabiaUS Petrochemical Industries Inc.ChinaUnited International Inc.
FranceUniversité de Rangueil.United StatesUTHSCSAChinaUnival Co., Ltd.
SpainUniversitat de BarcelonaChinaUtopharm(Shanghai) Company LTD.
IndiaU. H. INTERNATIONALChinaunion chemical tech. co.,ltd
United KingdomUBICHEM-RESUnited StatesUNITEDIndiaULTRA-TECH SPEC. (P) LTDUnited StatesUS-CHEMICALS
KoreaUnachem Trading Co., Ltd.
UkraineUkrOrgSynthesis Ltd.ChinaUpkind Technologies Co. Ltd.
TaiwanUnion Chemical Works LtdUnited StatesuReach TechnologiesUnited KingdomUnibrom Corp.IndiaULTRATECH INDIA LTDUnited KingdomUK GREEN SCIENTIFIC CO.,LIMITEDChinaUnifull GroupChinaUnison (Tianjin) Int'l Trading Co.,Ltd.KoreaUnion Material Tech