Hangzhou New Asia International Co., Ltd is a very professional and reputable supplier of food additives and herb extract located in china. We have been dedicating to supplying full line of food additives and herb extracts with high quality used in health food, functional food and natural medicine industries for a long time. We have a GMP certified extract factory to produce all kinds of herbal extract. We possess a complete set of advance equipment for extraction, refinement, column chromatoraphy, condensation and desiccation. Our quality control laboratory is well equipped with most advanced instruments, such as HPLC, UV, GC, AA etc.