China's automobile exports for the January-March period jumped 58% from a year earlier to 1.07 million units, according to the China Association of Automobile Manufacturers. Japan exported 950,000 vehicles during the same quarter, up 6% on the year, according to the Japan Automobile Manufacturers Association. Chinese auto exports continue to grow in the current quarter. An industry group for passenger vehicles expects exports to climb 30% for the full calendar year to 4 million units.