In the tobacco machinery industry, one of the most common questions is straightforward: “What is the capacity of this GLT line?” 5 t/h, 8 t/h, 10 t/h, or even higher. Capacity certainly matters. From the perspective of leaf processing, however, throughput in tonnes per hour is only one of many GLT performance indicators—and it is by no means the sole criterion for judging the quality of a production line. The core task of a truly high-performance Green Leaf Threshing (GLT) line is not simply to “remove stems from leaves.” It is to convert cured leaf into a stable industrial raw material suitable for long-term storage, transportation, and downstream cigarette manufacturing, while preserving as much of the original raw-material value as possible. In other words, the essence of GLT is the industrial standardization of a naturally variable agricultural material.