A technician prepares to check the pesticide residues of specially-provided vegetables for the upcoming 16th Asian Games in Anqiu city, east China's Shandong province, Nov. 1, 2010. A batch of vegetables specially-provided for the 16th Asian Games were set out to Guangzhou from Weifang on Monday. (Xinhua/Sun Shubao)

Farmers harvest cabbage specially-provided for the upcoming 16th Asian Games at a vegetable planting base in Anqiu city, east China's Shandong province, Nov. 1, 2010. A batch of vegetables specially-provided for the 16th Asian Games were set out to Guangzhou from Weifang on Monday. (Xinhua/Sun Shubao)