Improvements in China's economy likely led to double-digit import growth and a steady pickup in exports in August, data due out Sunday is expected to show.
Imports gained 11.3 percent last month, according to a Reuters poll, following July's 10.9 percent rise, as recent stimulus measures in Beijing continued to drive a recovery in domestic demand.
(Read more: China's trade data surge past expectations)
"Imports of commodities are rising as companies in the infrastructure space are getting ready to implement recent stimulus measures," Dariusz Kowalczyk, senior economist and strategist of Asia ex-Japan at Credit Agricole told CNBC. He estimates imports rose 15 percent in August, well above market expectations.
In late-July, the government introduced a growth-supportive policy package, which included increased spending on social housing and the construction of railways.