what kind of blank media is it? cmc or ritek? I bought about 600 and only 15 disc or 20 discs are failed..what is this brand and why so cheap but so okkkkkk la ?
Why don't you pop a disc in and try running DVD Identifier or DVDInfoPro on it to get the media code and tell us?
Agreed, that is the only way we will know for sure what it is.