Pa Okutobala 10, 2020, msonkhano wachiwiri woteteza madzi ku China, womwe umathandizidwa ndi China Agricultural and Industrial Democratic Party, boma la Gansu Provincial People's, China Academy of water resources and Hydropower Research, Dayu Irrigation Group Co., Ltd., ichitikira ku Lanzhou , Chigawo cha Gansu, m'mphepete mwa msewu wa silika.