Z Visa vs Work Permit vs Residence Permit: What's the Difference?
If you are bringing a foreign employee to China, you will quickly notice that one visa is not enough. Instead, there is a trio of documents: the Z visa, the work permit, and the residence permit. It is a fair question to ask why China needs three, and it trips up plenty of HR teams. The answer is simple once you see that each document answers a different question and is issued at a different stage.
https://logcla.com/blogs/20284....37/Z-Visa-vs-Work-Pe