Certain drywall manufactured in China is allegedly defective. It has been alleged that this defective drywall corrodes electrical wires and copper coils, and emits "rotten egg" fumes that cause respiratory health problems. It is estimated that 60,000 residential houses in the southeastern United States have been built using this purportedly defective drywall. As a result, the U.S. Congress has responded with new legislation, and litigation has been increasing.

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