Complex sentence: In 1929, Communist leader Zhou Enlai asked Qian to join the wireless radio training class in Shanghai run by Xu Enzeng, the head of the KMT's Investigation Department, to recruit special agents for the department.
Split into simpler sentences: In 1929, the Communist leader Zhou Enlai asked Qian to join a wireless radio training class in Shanghai. The class was run by Xu Enzeng, the head of the KMT's Investigation Department, to recruit special agents for the department.