The best examples are the 50 Dragons slot machine and the Lucky 88 slot machine, but none of them have one of the most popular distributions like Choy Sun Doa.
Look for unique Chinese coins, the center has a square hole, or the jade ring will see you reward up to 800 coins, the red seal and the beautiful koi will see you pick up up to 300 coins, Aces and the king see you Claims up to 200 coins, while the Queen to 9 symbols see you receive up to 100 coins.