Where is the Mamuchi research base in Yinan?

According to the query of Linyi United Front in Henghe Village, the Mamuchi Research Base in Yinan is the Yimeng Red Research Camp, which is a key education base in yinan county to build the sense of identity of the Chinese nation. Located in Henghe Village, Mamuchi Township, yinan county, the hinterland of Yimeng Mountain is surrounded by mountains. During the Anti-Japanese War, it was the center of Yimeng revolutionary base area, the important birthplace of Yimeng spirit and the birthplace of Yimeng red sister-in-law.