[1] The fellowship consists of churches, missionaries, and affiliated organizations that attempt to bring Christian beliefs to China and persons of Chinese descent.

In 1928 he joined the Worldwide Evangelistic Band, led by George Rideout of Asbury College, Wilmore, Kentucky.

While on a preaching tour in south China, he met the famed evangelist John Sung (Song Shangjie).

After Sung left this work in 1933, Gih continued it under the name of Bethel Mission until July 1947,[3] when he founded the Evangelize China Fellowship (ECF) as a Mandarin Church in Shanghai.

In addition to the building of churches, orphanages, and schools; ECF was credited with creating a vast network of Chinese Christians in the Diaspora, and helping Gih attain a level of "notoriety [that] placed him in the company of fellow revivalist J. Edwin Orr and Billy Graham.