ASTA Co., Ltd. engages in the development, production, and sale of matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF)-based mass spectrometry instruments. Its products include MicroIDSys, IDSys RT, OASys, MALDI Plate, and REDS. The company was founded on January 27, 2006 and is headquartered in Suwon-si, South Korea.