Real mocha coffee is produced in Yemen, southwest of Arabian Peninsula, and grows on the steep mountainside at an altitude of 900 ~ 2400 meters. It is also the oldest coffee in the world. This variety of beans is small and fragrant, with unique sour taste and citrus fragrance, which is more mellow and charming, while glycol has an intoxicating aftertaste, unique aroma, sweet and sour softness and intoxicating.