It may sound confusing, but local internet is not usually a good indicator of overseas internet routing. The best comparison is similar to toll road traffic - Users in Shanghai may be familiar with Yan'an Elevated Road, where an accident may occur on the elevated highway causing a significant traffic jam, while on the local road underneath, traffic is moving freely!
The solution is still the same - First, check to see if your Chinanetspeed subscription has expired by visiting your account page. If valid, try restarting your ISP modem, pictured below:
Please note that your ISP modem is distinctly different that your wifi router. Restarting the ISP modem will assign a new IP address to your account, while restarting your wifi router does not have the same