China's trade surplus fell in September for the second straight month, reflecting the ongoing weakness of the global economy. The government's custom bureau said the country posted a 14.5 billion dollar surplus last month, compared to 17.8 billion dollar surplus posted in August. China's trade surplus in July stood at 31.5 billion dollar, the highest mark in two-and-a-half years. The Voice of America reports said that, demand for Chinese-made goods has been hurt by falling demand in Europe and the United States.