The scandal first emerged last week when the Sanlu Group , China 's biggest baby milk maker , announced that some babies had developed kidney stones and complications after drinking milk made from powder tainted with melamine .
丑闻上周首次传出,中国最大的婴儿奶粉制造商之一,三鹿集团宣布,他们生产的奶粉受到三聚氰胺污染,导致婴儿肾结石等一系列症状。