I am not sure if this is helping, but there were already some guys looking for that "manufacture" 3 years ago. Here is the link to their discussion on the Cambodia Forum: http://www.khmer440.com/chat_forum/viewtopic.php?f=8&t=46968
I think it is not the real producer after all...
Elias
Did you ask the store you bought it from, who their supplier is?
Asking people direct face to face, often works out very good.