Complex sentence: Meanwhile, Tang Enbo's 31st Army Group moved north from San Taidian to Miyang, before manoeuvring northwest around Nanyang, and moving southwest to Xinye, attacking the Japanese there head-on, inflicting heavy casualties and forcing them to retreat.
Split into simpler sentences: Meanwhile, Tang Enbo's 31st army group moved north from San Taidian to Miyang. From there, they moved northwest around Nanyang, before going southwest to Xinye, attacking the Japanese forces there head-on, inflicting heavy casualties and forcing them to retreat.