ead recalls after the industrial chemical melamine was found in milk powder.
目前事件已导致4名婴幼儿死亡，6200人感染疾病。
it has been linked to four infant deaths and illnesses in 6,200 others.
国家质检总局周五透露，中国三大主要奶制品公司所生产的液态奶中也被发现含有三聚氰胺。
the general administration of quality supervision, inspection and quarantine (qsiq) said milk in liquid form by three leading chinese dairies has been found to be contaminated with melamine friday.
质检总局网站上的一则报道指出，蒙牛乳业集团和伊利实业集团的样品中，约10％的样品三聚氰胺含量达到8.4毫克/千克。
a report posted on the agency's website said test results show nearly 10% of samples taken from mengniu dairy group co. and yili industrial group co. contained up to 8.4 mg of melamine per kg.
它们是中国最大的两家奶制品生产集团。
they are china's two largest dairy companies.
上海光明乳业的牛奶产品中同样含有三聚氰胺。
milk from shanghai-based bright dairy also shows melamine contamination.
因此，国家质检总局下令撤销“蒙牛”牌液态奶、“光明”牌液态奶及“伊利