Dendrobium is also known as Jinchai, Bansheng, Linlan, Dulan, etc. The stem is upright, fleshy and thick, slightly flattened cylindrical, 10 to 60 cm long and 1.3 cm thick. Li Shizhen said: Dendrobium is calm in air, sweet, light, and slightly salty in nature, and the yang in the yin will drop. Dendrobium has antipyretic, anti-aging, and strengthening the body's immune function, anti-tumor, lowering blood sugar, and anti-thrombosis.

In the grinding and crushing process of Dendrobium, Pengcheng ultra-fine grinding and grading equipment is usually used to obtain ultrafine powder with broken walls.