In the long river of history, because of natural causes such as crustal changes, lightning strikes, insect bites and other natural causes, the red pine dies and falls in the soil. After the death of the red pine, the red rosin oil will flow from the tree body and agglomerate on the hardest part of the red pine. After thousands of years of change, the northern agarwood was finally formed. Northern Agarwood has inherited all the advantages of red pine material. It has the characteristics of no decay, no fear of moisture, no fear of soaking, rosin fragrance and hard material. North Agarwood has good texture, and its own oil can give off a long-lasting calm and elegant rosin fragrance. It contains succinic acid and succinol. It has the functions of refreshing, refreshing, repelling mosquitoes, purifying air, inhaling formaldehyde, moistening the heart and lungs, and prolonging life.

Yida has hired Jiangxi provincial-level award-winning root art master Huang Guigao and Chinese arts and crafts master Zhang Rudong's proud disciple Chen Jian, as well as some other outstanding engravers, such as Huang Qingsuo. Chen Jian’s works are mainly flowers, birds, landscapes, and Huang Qingsuo is best at carving figures and animals.