China car boom faces a safety crackdown as regulators tighten inspections, testing, and recalls, reshaping fast-growing brands' domestic and global ambitions.

Discrepancies found in top-selling models highlight Beijing’s escalating crackdown on a domestic price war that is driving manufacturers to cut corners

China car boom faces a safety crackdown as regulators tighten inspections, testing, and recalls, reshaping fast-growing brands' domestic and global ambitions.