Zhang Yujun and Geng were executed for their roles in toxic milk scandal . In all , 21 people were tried and sentenced in January for their roles in the scandal . Tainted milk killed at least six babies and injured about 100 people . Melamine is commonly used in coatings and laminates , wood adhesives , fabric coatings , ceiling tiles and flame retardants . The formula held melamine , a toxin dairy plants used to make protein levels appear higher .
Zhang Yujun and Geng were executed for their roles in toxic milk scandal . In all , 21 people were tried and sentenced in January for their roles in the scandal . Tainted milk killed at least six babies and injured about 100 people . The formula held melamine , a toxin dairy plants used to make protein levels appear higher .