At 11:28 am on November 15, 2021, the construction of the Zhimeitang Deep Cooling Ultra Fine Grinding Factory officially began. This project is located in the Gypsum Building Materials Industrial Park in Ziling Town, Jingmen City. It is a high-performance gypsum retarder supporting project independently developed by Zhimeitang, and will also be used in the deep processing of gypsum additives such as polyvinyl alcohol in the later stage