N'October 10, 2020, a na-eme ọgbakọ nchekwa mmiri China nke abụọ, nke China Agricultural and Industrial Democratic Party, gọọmentị Gansu, China Academy of Water Resources and Hydropower Research, Dayu Irrigation Group Co., Ltd., na-akwado na Lanzhou. , Gansu Province, n'akụkụ okporo ụzọ silk.