Limited Liability Partnership Semyzbay-U ( LLP "Semyzbay-U") was established in 2006.  Date of initial registration -  Dec 12.12.2006.

The founders of LLP Semyzbay-U are JSC "NAC" Kazatomprom"(51%) and Beijing Sino-Kaz Uranium Resources Investment Company Limited (49%).

 Semyzbay-U includes:

- Mine "Semyzbay" is located in the Birzhan sal district of Akmola Region

- Affiliate "Semyzbay" is located in the Ualihanov district of North Kazakhstan Region.

- Mine "Irkol" is in-Shiyeli District of Kyzylorda Region.