The main reason is to get more financial benefits, China is the world's largest developing country, it has a large market, the NBA superstars can make more money through the China tour. A good example is Thompson of the Warriors, who became a spokesman for Anta because he often comes to China, and Anta gave Thompson a big endorsement fee.
A large part of the reason why NBA stars travel to China is to accumulate popularity, China has a population of 1.3 billion people, accounting for one-fifth of the world's population, and NBA stars are able to gain higher popularity through the China tour. The Cavaliers' James, the Rockets' Harden, the Warriors' Curry, the Lakers' Kobe, and so on, have made many trips to China in order to increase their popularity.
Some NBA superstars come to China for fun, after all, China has many places of interest, rich culture and delicious food. Artest, in particular, loves to visit China, and he loves the culture and food. The Rockets' Ariza has also been to China many times to play, he once even climbed the Great Wall.