China's surplus growth will slow down with the implementation of a series of tightening measures, but it would take time for the measures to yield results, Vice Commerce Minister Gao Hucheng previously said.

The latest figures from the Chinese customs also said China exported US$497.2 billion worth of machinery and electronic products during the first three quarters, up 28 percent year on year, while its imports totaled US$360.51 billion, up 16.1 percent.

The growth of exports and imports of machinery and electronic products was in line with that for the first eight months.

Machinery and electronic products continued to serve as the country's most important foreign trade products, accounting for 56.6 percent of total exports.

Meanwhile, latest figures showed the European Union remained China's largest trade partner with bilateral trade at US$256.13 billion by September, while the United Stated and Japan followed with bilateral trade volume at US$221.36 billion and US$171.94 billion respectively.

China's trade volumes with the ASEAN (Association of Southeast Asian Nations) and the Republic of Korea were all above US$100 billion in the first nine months.