Zangtang According to the body network, Zangxitang is a company focusing on the promotion and development of Xuelian brand. People-oriented, quality assurance as the purpose, committed to product comfort, safety and practicality. Tibetan Xitang's products include hippocampus, notoginseng, health tea, American ginseng, agarwood and saffron. All products meet the national standards and regulations, and are authentic Saussurea involucrata brands.