Xi'an Rainbow Biotech Co.,Ltd is a GMP standard manufacturer of high quality natural botanical extracts which located in China. We has serving naturally over a decade. Depending on the advantaged climate and rich botanical resources in Qinling maintains, Rainbow biotech manufactures herbal materials over 2000 Tons per year. We have our own cultivating base of Echinacea Purpurea over 300000㎡ and forms complete industrial chain pattern of Echinacea Purpurea and Cistanche Tubulosa from material cultivating, manufacturing, R&D and sales.
