Business: Nobody Buys

Sino-American trade exhibits

It has been a curious sight. Red flags fluttered in the breeze from the top of 26-ft.-high wooden arches set incongruously near downtown San Francisco, Chicago and New York. The arches have been beckoning passers-by to the first traveling trade show of the People's Republic of China in the U.S. The exhibit opened last week in Manhattan for the capstone stop of its tour. Now that dancers, diplomats and musicians have exchanged visits, China and the U.S. are getting close-up looks at each other's products at trade fairs in the two countries.

Commerce between the two nations is still relatively...