Haiyuan (海渊) is a small town in Ningming County, China right beside the border with Vietnam. One of my friends lives there and sent me this gift. (It is traditional to send a small food gift to people who have just moved house.)' The manufacturing company belongs to my friend's cousin.
海渊沙糕 (hăi yuān shā gāo)
It reads 'Haiyuan Granulated Cake - Sesame (Flavour). Each package (I received 5) contains these small cakes made from Glutinous Rice, Peanut Oil, White Sugar and Sesame.