The time of dropping beans before and after the explosion is called Light Roast: very shallow baking, also known as shallow baking.

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Light Roast: very shallow baking, also known as "shallow baking"

Time to drop beans: before and after the start of the explosion

Wind taste: the bean table is light cinnamon color, with a strong grass flavor, taste and aroma is not enough, generally used in experiments, rarely used as a product.

Cinnamon Roast: light baking, also known as cinnamon baking

Time to drop beans: an explosion begins to be dense.

Wind taste: the bean surface is cinnamon color, at this time the smell of grass has been removed, strong acidity, slightly fragrant, often used to make American coffee.

Medium Roast: medium baking, also known as "micro baking"

Time to drop beans: from the explosion to the end

Wind taste: the bean surface is chestnut color, light taste, slightly sour with bitter, moderate aroma, retain the original flavor of coffee beans, often used as American coffee or mixed coffee.

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