BEIJING, July 20 (Xinhuanet) -- China will continue to have a trade surplus as more than half of its foreign trade is done through export processing, spokesman Zheng Jingping of the National Bureau of Statistics (NBS) said here Wednesday.

    Of all the export processing businesses, foreign-invested companies account for as much as 50 percent to 57 percent, Zheng said.

    These businesses import raw materials for processing in China and export finished products with high value added, which partly contributes to China's growing trade surplus, he said. Enditem