Changsha Natureway Co., Ltd. is a professional manufacturer of herbal extracts and green tea extracts in China. We totally have three factories with three laboratories and one key lab as R&D center. With the development of more than 20 years, our herb ingredient factory has become a modern factory, equipped with high-class extraction, concentration, isolation, purification, spray drying, sifting, grinding and packing machines. Our company specializes in the production of various kinds of herbal extracts, such as bilberry extracts, citrus aurantium extracts, echinacea purpurea extracts,...