Chengdu Pufeide Biotech. Co., Ltd. is a leading supplier of natural pure plant monomers at home and abroad which concentrated in R&D, manufacture and export of natural extracted monomers, API for both research and engineering application. We ensure most of the products are with purity ≥98% by HPLC and COA . MS and NMR also can be offered. There are more than 2000 natural compounds, all of them are top quality and reasonable price . Besides ,we also could offer: 1.R&D and separating of natural compounds from grams to kgs . 2.Customizing service for natural active ingredients . 3.Authenticate service of compounds and drafting of quality standards. 4.Traditional Chinese Medicine references and standards Please feel free to contact us, we are ready to work for you .