Chu explains that ethnic Chinese figure sizably among the local population, and over ninety percent of these Chinese are of Hakka origins. Most are the descendants of 19th-century laborers, recruited from Guangdong to work in the tin mines when Indonesia was still a Dutch colony.
他表示，華人在這些地區佔有相當大的人口比例，而其中百分之九十以上又是客家人，多為十九世紀印尼尚為荷蘭殖民地時，從廣東原鄉被招募到當地開採錫礦的華工後裔。