Xi an Green Spring Natural Product Co.Ltd established in2001 is a Hi-tech enterprise which engage in extracting, isolating and manufacturing the active ingredients from herb and sell the natural plants.We mainly do research and development, manufacture and sell natural plant extract, Chinese raw materials and new drug and the innovation and development of the Chinese modern herb technology.Now we had set up a full range of the research system, and also have some progeny on theresearch products.We have the Chinese patents from the State intellectual Property Office on many manufacture technics.We focus on the quality control and have the superior quality control system and flawless test equipment