Our factory is one of the leading manufacturer to produce standardizing extracts of traditional Chinese medicine, Botanicals and fine chemicals , and it is located in the middle of QinBa Mountain which has reputed with ''natural herb treasure house '' in Xi`an , Shaanxi ,China, the production base covered an area of 50 acres. Shaanxi Longfu Bio-chemical Engineering Co., Ltd maintains a strict quality control program based GMP to assure consistent quality product.,Owing many reputed professors of the herb extract Field to identify the authenticity of the various herbs. We focus on the extract of the active ingredient of natural herb medicine and the research, produce and sale of the herb medicine raw material. we can provide all kinds of botanical extracts nearly. Please feel free to send inquiry for more details, if you are interested in any our products.