China may have edge in race to build California's bullet train

China Railway High-speed Harmony bullet trains are seen at a high-speed train maintenance base in Wuhan, Hubei province, China in this December 25, 2012 file photo. REUTERS/Stringer

China Railway High-speed Harmony bullet trains are seen at a high-speed train maintenance base in Wuhan, Hubei province, China in this March 9, 2015 file photo. REUTERS/Stringer

California Governor Jerry Brown (C) and Japanese Prime Minister Shinzo Abe get a demonstration of the JR-East Shinkansen train simulator at the Fairmont Hotel in San Francisco, California in this April 30, 2015 file photo. REUTERS/Jeff Chiu/Pool

California Governor Jerry Brown (C) and his wife, Anne Gust, prepare to sign a railroad rail during a ceremony for the California High Speed Rail in Fresno, California in this January 6, 2015 file photo. REUTERS/Robert Galbraith