How and where did Wen Wen Han audition for The Karate Kid the remake?

Wen Wen Han auditioned for the remake of "The Karate Kid" by submitting a video audition. He showcased his Martial Arts skills and acting abilities, which impressed the casting directors. His audition was part of a broader search that included various locations, but specific details about the exact location of his audition are not widely documented. Ultimately, his talent led to his casting in the film.