Joint stock company «Kazakh-Russian-Kyrgyz joint venture with foreign investments “Zarechnoye” has been established for development of Zarechnoye uranium field located in Republic of Kazakhstan. Uranium One (https://uranium1.com) has a 49.98 percent indirect interest in the Zarechnoye uranium mine through the Zarechnoye joint venture, a Kazakhstan joint stock company NAC Kazatomprom (https://www.kazatomprom.kz) holds an equivalent 49.98 percent interest; the remaining interest is held by a Kyrgyzstan JSC Karabalty Mining Combine. Production method: а) drillhole in-situ leaching of uranium with silfuric-acid solutions with combined (pump and airlift) lifting of pregnant solutions (PS) and their further transportation; b) sorption extraction of complex uranyl-sulphate ions from PS on stron-base anion exchangers with further desorption of uranyl-sulphate ions with nitrate solutions; c) settlement of uranium from reach eluates with caustic (NаОН) with further filtration of derived pulp and production of finished product in form of sodium diuranate (“yellow cake”);