we also regularly inform our material suppliers about new scientific findings and developments. They in return must prove that materials comply with our standards by providing test reports from independent external test institutes on a regular basis. Development and production samples are checked randomly...
In the Chinese case the contamination explanation seems questionable on its surface. They literally threw the kitchen sink at the problem. Here, food contamination from spices is co-mingled with water contamination, which would be relevant with the drains and cooking hoods. If the spices were at ...