The pigments are all ground, washed, pickled, or alkaline washed. The product passes 325 mesh, with a residue of ≤ 0.2%. Features of this series of products: bright and pure color, strong hair color, and stability when used. Firing temperature: 1200-1320 degrees Celsius. The function of toner: Firstly, toner is mainly used as underglaze painting pigments. Various colors can be purchased, and tea water or water can be added to dry raw materials. Then, transparent glaze can be sprayed to create various pattern effects.