What is "kompyang"

Kompia or kompyang (; Minbei： ; Mindong： ; Hinghwa：; Minnan: kiâm-kong-piáⁿ [鹹光餅]; ; ; ), is a bread product originates from Fuzhou, the capital city of Fujian Province of China. It is popular in Fujian and has spread to other areas including the Ryukyus, Taiwan, and parts of Southeast Asia including the Malaysian towns of Sitiawan, Sibu, Ayer Tawar, Sarikei, Bintangor and other places where the dominant Chinese community is of Foochow (Hokchiu) ancestry (where it is sometimes nicknamed "Foochow bagels").