Xi'An Lvdong Sci & Tech Development Co., Ltd. was established in 2014, is speciallized in the natural active ingredients in medicinal plant, industrialization of research, development, production and sales. The company have a professional team that do research in product development and make our products high quality. The company is mainly engaged in series of products (including cytosine, esculin, lappaconitine and harmine, etc.). Rigorous standard, high quality, reasonable price, prompt delivery capability and high quality after-sale service can meet your various needs.