In the 2008 milk Scandal, for example, the offending company Sanlu were aware of infants becoming sick December 2007, but refused to test until June 2008. Shijiazhuang city governance failed to report the contamination to provincial and state authorities September 2008 and Sanlu subsequently asked the Shijiazhuang city government to assist them in controlling the media's reporting of the recall.
https://en.wikipedia.org/wiki/2008_Chinese_milk_scandal
300,000 affected children were identified, among which 54,000 were hospitalized and 6 deaths were officially attributed to the adulteration and cover-up. If the government and industry were willing to collude to the detriment of their own populace so as not to sully the PR appeal of the Beijing Olympics, what level of care and consideration are we to attribute them in matters of low-consequence export to the West?