Meet Zhao Silin: Migrant, factory worker, mother, and owner of a tiny flower shop on Changle Road in Shanghai, otherwise known as The Street of Eternal Happiness.

Meet Master Chu Hongsheng on the first stop of our year-long series profiling the people who make their living on Changle Road, or the Street of Eternal Happiness, which bisects Shanghai.

"It's more chaotic," auto analyst Michael Dunne told me, comparing this week's Shanghai auto show to shows in the US. "It's a little rough around…