All right. Cinnabar is mainly produced in the border area between Hunan Fenghuang Tea Farm and Guizhou Tongren. The produced cinnabar is colorful and radiant, and is famous for producing good sand. Cinnabar is a sulfide mineral in cinnabar, which mainly contains mercury sulfide. After mining, select pure ones, use magnets to absorb iron-containing impurities, and then use water to remove miscellaneous stones and sediment.