Greenovo biotechnology Co., LTD is a new type of biomedical materials research, development, production and marketing of high-tech enterprise.Unlike other hemostatic devices, Greenovo products are impregnated with kaolin, a naturally occurring, inorganic mineral (clay derivative).2 Kaolin has no known allergic or exothermic reactions. Greenovo products are safe and effective, having passed all biocompatibility testing, and do not contain any animal or human-derived proteins or shellfish products.