Leading Chinese carmakers like BYD and Chery Automobile are reaping rewards from their efforts to boost sales abroad, as they chase higher profitability amid rising demand for electric vehicles (EVs).Chery, which spearheaded the go-global drive among mainland China’s automotive groups and is the country’s largest car exporter, delivered three times as many cars overseas as at home last month.The state-owned company, based in eastern China’s Anhui province, handed 181,571 vehicles to customers...