On Jeju Island, a volcanic island, basalt represents life on Jeju Island in various forms, including stone harbangs, stone walls, and stone houses. The Jeju basalt store is a local company based on Jeju Island that develops and plans products with unique ingredients that originated on Jeju Island, especially basalt that provides a special meaning and value to the island.

Jeju Basalt is a technology-based food company that is also developing Esters brand products.

As a fragrance coffee brand, the Esters brand produces products that can be enjoyed deliciously by studying the scent of coffee beans and fruits.