In an emergency circular, the State Administration of Quality Supervision, Inspection and Quarantine ordered that all localitiesstep up supervision of China's import of the product.
An official with the quarantine administration said that the USquarantine administration has announced a callback of the product due to unidentified metal particles contained in the milk power.
The administration ordered strict check-up of other milk powders produced by US Mead Johnson Corporation on Chinese market.
The circular suggested that those who have bought "Gentlease Milk Powder" should stop taking it.