From which county in Jiangxi was Sanwan adapted?

Sanwan Village is located at the northern foot of Jiulong Mountain in the west of Yongxin County, Jiangxi Province. 1On September 29th, 927, Mao Zedong led the autumn harvest uprising troops on the Hunan-Jiangxi border to come here and carried out the "Three Bays Adaptation" with great historical significance. This is the beginning of the political work of the Chinese Red Army of Workers and Peasants, which established the absolute leadership of the Party over the army and laid a solid foundation for building a brand-new people's army organizationally, politically and ideologically.