Throughout over 6 years of history, RI²C received more than 900 submissions of research papers. The 7^th RI²C is our pleasure again to welcome KMUTNB’s collaborators worldwide come to Nonthaburi, Thailand, on July 9 - 10, 2026. All those wishing to participate are welcomed to submit a research paper to present their work, which can be an oral or poster presentation through one of the official topics. The high-quality, original research papers will be submitted for publication to the proceedings indexed by Scopus, which subject to the publisher’s peer review process. With the experience of previously running six successful events, we are confident that the year 2026 will witness an even greater success of the RI²C 2026.