Dong-A ST Co Ltd (Dong-A ST) is a pharmaceutical company that manufactures and sells ethical drugs, medical devices, and diagnostic tests in S. Korea. The company offers ethical drugs including gonadopin injection, dulastin progression-free survival, mainta injection, monotaxel injection, motilitone tablet, suganon tablet, sugamet XR tablet, closerin capsule, growtropin II and leucostim. Dong-A ST also offers diagnostic solutions for identification of Malaria, dengue combo, anti-HBs, HBsAg, Hepatitis C, HIV 1/2, Syphilis and Ebola Ag diseases. The company is also engaged in the research to develop innovative drugs and aspires to become a world-class pharmaceutical company. It has recently acquired Neurobo in the fall of 2022 and started a US branch in Cambridge, MA in early 2023. Dong-A ST is headquartered in Seoul, South Korea and has achieved and maintained No.1 position in the Korean Pharmaceutical company since 1967.