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Fears that China’s chronic food safety problems were going global surfaced earlier this year with the deaths of dogs and cats in North America blamed on Chinese wheat gluten tainted with the chemical melamine.

U.S. authorities also have turned away or recalled toxic fish, juice containing unsafe color additives and popular toy trains decorated with leaded paint. Chinese-made toothpaste has been banned by numerous countries in North and South America and Asia for containing diethylene glycol, or DEG, a toxic ingredient more commonly found in antifreeze.

Beijing has striven to appear active in cleaning up problem areas. Inspectors recently announced they had closed 180 food factories in China in the first half of this year and seized tons of candy, pickles, crackers and seafood tainted with formaldehyde, illegal dyes and industrial wax.