China Containers Average Freight Index, a barometer of China's shipping market, has showed a consecutive rise of the container freight price in May.
The average comprehensive index on shipping routes between China and North American countries has risen by 200 points in May from 2,309 of April.
Experts with shippingchina.com, which issues the index, said the shipping price increase indicated a trend of decrease in the exports volumes for low value-added cargos in the near future.