Recently, the "Ming Kui ·2023 National Energy Saving and Environmental Protection Annual Meeting of Printing and Dyeing Industry" was held in Jinjiang City, Fujian Province, and released the "16th batch of China Printing and dyeing Industry energy saving and emission reduction advanced technology recommended Directory". "The application of Indanthrene dyeing and whitening in one-bath technology" of Shandong Weiqiao Super Width Printing and Dyeing Co., LTD. " was successfully selected.