The unique market and culture in the TCM trade scene and value on animals different from the west.
Van painted mostly aquatic animals, herpetology and animals involving the TCM trade. Avoiding painting birds as much as he can as he saw its already been too saturated.
Van actively tried to raise find for Nature Society Singapore that play a tough yet key role in conservation for Singapore or even regional since the 1950s.
He also hope in future to get the opportunity in book publishing for his wide body of works.