Xi'an Rainbow Biotech Co.,Ltd is a botanical extracts manufacturer from ancient capital city-XI'AN.Depend on good quality local plant resources,Rainbow engaging in R&D,production of natural herb products and plant extracts , has been working on supply high quality natural product for food, health care products, cosmetics ,natural pigment and other industries over the years, as well as the effective ingredients and API material. Rainbow was founded in 2013, has a complete management of material supply ,R&D, production , QC and sales team .With independent management of raw materials plantation of 300,000㎡.We processing 2000 tons herbs annually.