Have you tried contacting the Casino and seeing if they have any recommendations? Have you tried looking at some of the main Bus companies like Peter Pan or Greyhound?
Also, you may want to post your question in the New York City forum. More people are likely to read your post there.
The casino website shows buses from Chinatown in Manhattan, as well as from Brooklyn and Flushing to the casino:
do you know the address&phone #
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