High purity, competitive price, warm service. Providing HPLC, MS, NMR, COA. In stock!Sichuan Weikeqi Biological Technology CO., LTD. was established in 2006. We are located in chengdu city, sichuan province, a professional company engaged in researching, developing and selling natural medicine purification separation of traditional Chinese medicine reference standard production.Our mature technology of purification and separation as follow: series of licorice, ginseng, scurfpea fruit, tripterygium wilfordii, ginkgo, astragalosides, radix scutellariae, radix bupleuri, spaina date seed, rhizoma paridis, fructus schisandrae, radix et rhizoma rhei, danshen root, thinleaf milkwort root-bark, etc.Used for content determination, identification, pharmacological experiment, activity screening, etc.