Workers labor to produce canned tangerine to be exported at the Huangyan No 1 Canned Food Factory in Huangyan, eastern China’s Zhejiang province Wednesday Dec. 12, 2007. China has taken a series of steps to crack down on tainted and unsafe products after various foods, medicines and other items ranging from toothpaste to seafood were found to contain potentially deadly substances. (AP Photo) ** CHINA OUT **