Mattel had 37 contract manufacturers in China in 2006. Those contract manufacturers in turn used a large number of sub-contractors.

Mattel had 37 contract manufacturers in China in 2006. Those contract manufacturers in turn used a large number of sub-contractors. With such a lengthy and complex supply chain, it was almost impossible for Mattel to be totally ware of everything that happened within its suppliers. Do you have any recommendations for Mattel to improve the transparency of its supply chain?