Why won’t China close its door?

"Past events prove that opening up has been key to China’s economic growth over the past 40 years and in the same vein, China can only achieve high-quality economic development in the future with greater openness. Opening up is a strategic decision made by China based on its need for development as well as concrete action taken by China to move economic globalization forward in a way that benefits people across the world."

"China Will Open Even Wider" Part of the keynote speech at the opening ceremony of the Boao Forum for Asia Annual Conference 2018, April 10, 2018

Source: Xi Jinping: The Governance of China III, P228