China's exports unexpectedly fell in August as shipments to the US slowed sharply, adding to worries about the effects of the two nations' trade war.
China is expected to announce more support measures soon, to avert the risk of a sharp economic slowdown.
These could include the first cuts in four years to some key lending rates.
August exports from the world's second largest economy fell 1% from a year earlier, the biggest fall since June, when they fell 1.3%,
Analysts had expected to see a rise in exports.
China's August exports to the US fell 16% year-on-year, slowing sharply from a decline of 6.5% in July. Meanwhile, imports from the US slumped 22.4%.
There were escalations in August in the year-long trade row, with Washington announcing 15% tariffs on a wide range of Chinese goods from September.
China hit back with levies of its own, and let its yuan currency fall to offset some of the tariff pressures.