"We have learned that in addition to Wilbur-Ellis, a second United States company imported a shipment of rice protein from China that is also likely to be contaminated with melamine," the senators wrote. "We request the FDA identify this second importer as well as those manufacturers to which it may have sold the contaminated product."
An aide to Durbin said the senators found out about the second importer from industry sources.
Wilbur-Ellis and the FDA declined to name the other two makers. Durbin and Cantwell called on the agency to make those two companies publicly known."
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