On Friday, May 31, 2024, Simply Bright System Co., Ltd., led by Mr. Roongrueng Maksakooll, was honored by the National Research Council of Thailand (NRCT) to deliver a presentation on Digital Object Identifier (DOI) and to introduce DOI registration services. The presentation covered key topics, including the DOI registration workflow as a Full Member, the structure of NRCT DOI prefixes, and the overall process of DOI management. The session was part of an activity aimed at promoting DOI registration services for digital information resources. The event was held at the Working Area Highlight Stage Hall, 1st Floor, Building NRCT 8, National Research Council of Thailand, Bangkok.