Gypsum powder products are divided into three grades: 1: Special grade α gypsum powder (white) is suitable for the production and processing industry of various high-end gypsum powder, high-end gypsum decorative materials, craft sculptures and medical equipment. 2: First-grade α gypsum powder (white) is suitable for the deep processing of blister prototype powder, the production of craft products and craft molds, and ceramic seed molds. 3: Secondary α gypsum powder (white) is suitable for deep processing of various gypsum powder products such as shoe molds, candles, sculptures, toys, etc. and molds for craft products. 4: Level 3 alpha gypsum powder (white) is suitable for the blister industry, deep processing of copper mold gypsum powder production, general craft products and general craftsmanship of external mold model making, and gypsum board production.