The trademark Mianzhu Daqu of Jiannanchun Winery Co., Ltd. is a combination of Mianzhu and bamboo leaves. The word "Mianzhu" represents Mianzhu, the origin of the product, and the bamboo leaf figure represents another meaning of Mianzhu: the name of a bamboo plant. This kind of bamboo leaf is thin, with many sections long, each section has a circle, black as a red picture, and the top of the tree is upright, which is the treasure of bamboo in winter.

Mianzhu, a specialty, was named County in the early Han Dynasty. Mianzhu is indomitable. The more wind, frost, snow and rain the sword is, the harder the bamboo needle is, and the more upright it is. The poet Du Fu once wrote a poem praising this bamboo: "Huaxuan will be a high county in Mianzhu in the coming year. There is no such thing in front of the river house, but fortunately the green waves are rippling.