China has the Great Firewall segregating most international access from the country's network. Additionally, China (moreso than most) has a motivation to onshore as much of their software and hardware manufacturing to bolster their own industry.
It's possible that isolated attacks could pop off now and again, but hacking to-and-from China is strictly state controlled.
It's possible that isolated attacks could pop off now and again, but hacking to-and-from China is strictly state controlled.