China's exports jumped 12.4% in March from a year earlier in a last-minute flurry of activity as companies rushed to beat increases in U.S. tariffs imposed by U.S. President Donald Trump, and analysts forecast sharp setbacks ahead.

Imports fell 4.3% to $211.3 billion in March, the customs administration reported, far exceeded by exports worth $313.9 billion, leaving a trade surplus of $102.6 billion.