Bota-source Inc Is a professional botanical extracts manufacturer and supplier, owning rosemary planting base, R&D center and production base.in Changsha, China. Our core team has about twenty years working experience in the field of botanical extracts, which developped hundreds of manufacturing technology of botanical extracts. So, Bota-source can provide customers with many botanical extracts series products. Our main products are Rosemary extract, Lutein ester, Zeaxanthin, Lutein, Notoginseng extract, Resveratrol, Grape skin extract, Macleaya cordata extract, Eucommia ulmoides chlorogenic acid, Bilberry extract, etc.. Product quality is stable and reliable, favored by customers. Company research and development center is equipped with high performance liquid chromatograph, gas chromatograph, atomic absorption spectrophotometer, uv spectrophotometer, such as testing instruments, and with the central south university, hunan university of Chinese medicine, is established, hunan academy of agricultural sciences manufacture-learning-research cooperation, product research and development and quality control for the company provides firm support. Natural ingredients leads the way of healthy life! All staff of Bota-source dedicate to obtaining natural health active ingredients from nature, supporting public health life!