A quick Google check brought this information: the set is Asian (probably Chinese) bootleg. There are two versions available :110 and 131 discs. The quality ranges from acceptable to abysmal. Some films are VHS transfers. There are some sound sync glitches on some films, and some spelling mistakes in the artwork. At least one feature film has Japanese-only soundtrack. There are some films that are not Disney-produced, but still are golden age of animation.
The search for people who can answer your question continues for as long as needed - until you find the answer you were looking for.
When an answer is posted by someone who was invited (byYedda or by yourself) to answer your question, their answer is marked with a yellow "invited by Yedda".
To be invited to answer other people's questions in your areas of knowledge and interest, be sure to list your favorite topics:
» My Settings My Topics.
Of course, the more helpful your answers are, the more likely you are to be invited to future questions...