The YM Bamboo, a container ship operated by the China Ocean Shipping Company (COSCO) is docked at the Port of Oakland in Oakland, California in this file photo

 
The YM Bamboo, a container ship operated by the China Ocean Shipping Company (COSCO) is docked at the Port of Oakland in Oakland, California in this file photo
The YM Bamboo, a container ship operated by the China Ocean Shipping Company (COSCO) is docked at the Port of Oakland in Oakland, California in this file photo from January 14, 2011. REUTERS/Beck Diefenbach/Files