Zhunchengtyrannus it's a Tyrannosaurine, he is very closely related to T-rex and Tarbosaurus (both are the closest relative of Tyrannosaurine)

Wut

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I know what a tyrannosaurine is

What does the general clade have to do with the specific question though

You asked "Tyrannosaurus evolved from Zhuchengtyrannus", what makes me think Tyrannosaurus is a descendant of Zhunchentyrannus