Recently, the selection result of 2022-2023 National Quality Engineering Award was announced, and the wet process phosphoric acid unit of 3 million t/a Low-grade Collophanite Beneficiation and Deep Processing Project constructed by Wuhuan as the EPC Contractor in Yidu City, Hubei Province, won the National Quality Engineering Award. Established in 1981, the National Quality Engineering Award is a country level quality award, and the comprehensive indicators of the award-winning projects reach the leading level in China. The project adopts patented technology of Wuhuan to build the world's largest single-train hemi-dihydrate phosphoric acid plant, and its process and production technology are at the internationally leading level.