How long is a Chinese workday?
It is hard to say because there are lots of different jobs and that changes how long someone works for. The average worker would work for 9 hours.
In most companies nonexempt employees are given two 15 minute work breaks and one 30 minute lunch break every workday. Exempt employees typically are only given one 30 to 60 minute lunch break every workday, but as long as they get the work done exempt employees are usually permitted to manage their own time and may take unscheduled breaks not normally allowed for nonexempt employees.