An introduction on the trading relationship between China with US and Canada, and related features of containerization for three typical seaports especially for the security status in related regions.

• 介绍了我国与美国、加拿大经济贸易关系、美国港口集装箱运输发展的特点以及上述3个典型港口的集装箱运输发展和港口保安现状。