China's shadow banking activity is now under a tight leash. That was the main idea of a speech by Guo Shuqing, chairman of the country's top banking and insurance regulator, right before China's biggest political season. That means China will strike a balance between reviving the economy through financial means and preventing the economy from over-borrowing and over-leveraging. How has China clamped down on shadow banking? CGTN's Xia Cheng has the answers.