Harvesting the rod bark and fine branch bark of cassia tree ,irregular pieces of lumpy or short roll-shaped, grayish brown skin, section and endothelium brown or brown, fragrant, sweet and spicy.
The 4 to 5 layer design successfully prevents dust and bacterial particles (such as those that are ground, sanded, swept, sawed, bagged or processed minerals, coal, iron powder, flour, metal, wood, pollen and certain other substances Particles, oil-based