China's situation is entirely different.
1: The Asia Pacific is "hitting the knee on the curve" and modernizing its economy. Also, it's the most populous region on earth. It's why economic forecasters call the 2000-2100 period the Asian Century: https://en.wikipedia.org/wiki/Asian_Century
2: The Silk and Road Project ranges far outside "economically stagnant" areas. It's adjusted investments according to projected future growth, and also hedged into already modernized economies. It's as much about supply chain and trade routes as it is about direct economic investment. It connects China to Europe.