Henghua

In 1911 there was another influx of Chinese Methodists, when a missionary called Brest brought a large party of Henghuas.

Source: wiktionary

The Kotak Association, mentioned above, is an example. Its membership was overwhelmingly Henghua (96%).

Source: wiktionary

Between Foochow and Amoy they speak Henghua.

Source: wiktionary

Apparently, a Henghua immigrant named Yeow in Kuala Lumpur, Malaya, who had apprenticed himself to an agent for British cycles, learned the business thoroughly, left his employer, and established his own shop. Inevitably, his own (Henghua) employees hived off likewise so that within half a century the Henghua had established thousands of bicycle shops in Singapore, Malaya, and Indonesia. In Singapore, the Henghua were joined by Henghua-speaking Hokchia who later branched out into spare-parts, motorcycle, trishaw, and taxicab business.

Source: wiktionary