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The aroma of dried coffee powder in a dry state.

Published: 2026-04-07 Author: World Gafei

Last Updated: 2026/04/07, According to the granule size of coffee beans: generally speaking, coffee with larger particles is more expensive in the same variety, while round beans are usually smaller than flat beans because their growth characteristics are different from those of flat beans, but it is precisely because of their unique growth characteristics that round beans have a stronger flavor. Flat beans, round beans, filter screen number, coffee bean size, filter number, coffee bean size, 19 special.

According to the size of coffee beans:

Generally speaking, coffee with larger granules is more expensive in the same variety, while round beans are usually smaller than flat beans because their growth characteristics are different from those of flat beans, but it is precisely because of their unique growth characteristics that round beans have a stronger flavor.

Flat beans and round beans

Filter screen number coffee bean specification

> 19 extra large, elephant bean > 13 extra large

> 18 > 12

> 17 quasi-big > 11 quasi-big

> 16 ordinary > 10 ordinary

> 15 > 9

> 14 small > 8 small

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。