1, Daphne family is the oily part of dried wood of Aquilaria sinensis, which is a kind of wood, spice and Chinese medicine. After being stimulated by trauma or Zhen Hong yeast infection, the core of Daphne plants will secrete a lot of resin to help heal, and in the process, it will produce fragrant tissues. Because of their high density, these parts can sink into water, which is also called "agarwood".

2. Aquilaria sinensis will go through a long growth period, which will take at least several years to more than ten years. However, a high-quality Daphne plant takes decades or even hundreds of years to form, so the output is very small and the market is in short supply, so it is very precious and has high collection value. In addition, the wood, tree heads and roots of Aquilaria sinensis can be used to make high-grade incense for sacrifice and incense.