I did not say that "associate producer" does not exist in hk,
I said that "associate producer" does not exist in
HKMDb!!!!
WorldLingo, which as always, is not very useful, says that 製片 means "movie-making"
I don't recognize well the chinese credits when they are "written with brush", but I think you are right and "Producion Manager" and "Associate Producer" is the same thing (at least in Hong Kong).
That means that I owe you an apologize. Sorry.
You will find an easy answer to all of your questions in
http://www.imdb.com/Glossary/A
I hope this sad episode did not break our friendship
