You think the working class is in control of China? The working class that has nets installed in their job provided dormatories because too many of them are commiting suicide?
A certain level of exploitation is demanded by imperialists in exchange for capital investment and allowing trade. The working class of any victim nation is forced to accept deregulation like this if they wish a change at developing.
Vietnam made a similar choice in a similar position. In both countries working conditions and labour laws have been steadily improving. This change is only possible if the workers as a class are in control of the state.
Those people are nearly slaves.