Xi'an KOSO Biotechnology Co., Ltd. is located in Xi'an, China, is a newly established high-tech industry company, is committed to providing professional development, production and marketing of products for the global healthcare, pharmaceutical and cosmetics industries, rely on a wealth of experience in planting, strong technical strength, advanced production equipment and perfect R & D team to provide customers with innovative products. Keshuo company from the source to provide customers with q...