[Tianyu Mathematical Branch: creating the first virtual digital human image with brand characteristics and personality charm in the chemical fertilizer industry for sub-potassium international "Xiao potassium". Tian Yu Digital Branch said on the interactive platform that the company cooperated with potassium International to create the first virtual digital human image with brand characteristics and personality charm in the chemical fertilizer industry through the "MetaSurfing- intelligent cloud platform" for potassium International. Jointly promote the new digital marketing of the chemical fertilizer industry.