The rumors of fake TDK DVD-Rs appear to be true. In a statement released by TDK, it appears that several Taiwanese companies have violated TDK's media identification codes.
Confirmed products violating the TDK DVD manufacturer identification code include SuperX and Princo DVD media ...
TDK discovered that DVD–R discs are circulating in the European market in violation of its manufacturer identification codes. TDK is not the manufacturer of these particular discs and takes no responsibility for them.