The price per gram indicates different grades of the cinnabar inkstick. The 朱砂墨 Cinnabar Inkstick is currently the highest grade at Inkston. These three cinnabar inksticks are all very good options for Advanced Level, Beginners, Medium Level, Professionals.
Three work well but there is a difference of colour. Wan nian hong is more “red”, like “vermilion” and the “zhusha” are more “dark orange red” as natural cinnabar. Chinese red was originally made from the powdered mineral cinnabar, but beginning in about the 8th century it was made more commonly by a chemical process combining mercury and sulfur, specificly for lake.
Take care : both natural cinnabar and vermilion (synthetic cinnabar) are toxic, even by the skin or mucous membranes. Wash your hands after use and don’t eat when painting.