SubsidiariesHTDS is a holdco of a China based Shenzhen Mellow Hope Pharm Industrial Co., Ltd. Mellow Hope is the biggest exporter of Biological Vaccines in China. Based on the cooperation with Institutes of Medical Biology and Pharmaceutical manufacturers, Mellow Hope provides a wide range of vaccines with high quality, safety and efficacy. Other controling interests include an East European (Serbian) medical company, Slavica Biochem whose experts are performing cutting edge research in the field of neurological impairments in Multiple Sclerosis (MS) and Traumatic Brain Injury (TBI). The primary focus of Slavica Biochem is to investigate novel therapeutic approaches in treatment of these disorders of the CNS (central nervous system), as well as to enhance and modify existing approved drugs such as VIRAZOLE®.