China's Sinograin to auction 504,000 metric tons of imported soybeans on October 20

BEIJING, Oct 14 (Reuters) — Chinese state stockpiler Sinograin will auction 504,000 metric tons of imported soybeans on October 20, according to a statement released on Wednesday. (Reporting by Shi Bu and Liz Lee. Editing by Mark Potter) ((Shi.Bu@thomsonreuters.com;)