Introduction to the All-China Federation of Trade Unions Soviet Area Executive Bureau: is the stationed agency of the All-China Federation of Trade Unions in the Soviet Area and the highest leadership body of the workers’ movement in the Soviet Area. It was formally established in Futian, Ji'an, Jiangxi Province in February 1931. Its main task was to organize workers from all walks of life in the Soviet area, establish trade unions to carry out mass movements, give play to the leadership role of the working class, implement a worker-peasant alliance to unite against the enemy, and defend and expand the Soviet area.