During World War II , he was sent to Xinjiang by the Party central committee in 1938 .
He was a younger brother of Mao Zedong , and joined the Communist Party of China early on .
During World War II , brother was sent to Xinjiang by the Communist Party of China central committee in 1938 .
He was a younger brother of Mao Zedong , and joined the Communist Party of China early on .