[2] He graduated from the University of Hawaii in 1928 with a degree in civil engineering, then attended Union Theological Seminary.
[4] During World War II Ching was invited to be part of the Council for Interracial Unity's Morale Division with Shigeo Yoshida and Charles Loomis.
[5] When all Japanese soldiers were removed from the Hawaii Territorial Guard in 1942, Ching advocated for a labor battalion to be founded so that these men could still assist the war effort.
He was also one of the founders of Aloha Airlines alongside his brother Hung Wo, and served as a director for 25 years.
Ching was a University of Hawaii regent and served as director or trustee of several local businesses and organizations.