China wants football to be 'bridge to work with the world', says association's secretary general Liu Yi
Along with building a football infrastructure and overhauling grassroots, school and youth systems, the CSL is a crucial part of the determination to be a superpower in the sport.
The six China U-19 players will have to sit out all matches through 30 November. They could also face further punishment from their respective clubs.
Chinese football authorities will impose salary caps on domestic clubs and send auditors to probe their finances, toughening a crackdown on player spending.