On April 29, 2016, Beijing limecho company participated in the protection of cultural relics of Beijing union university, technical seminars, and presented state-of-the-art applications of nuclear magnetic resonance (NMR) technology in archaeology state-of-the-art applications of nuclear magnetic resonance (NMR) technology in archaeology oand universities have attended this seminar and discussed about the future direction of cultural relic protection. Bruker company of Germany and JEOL company of Japan also attended the conference report.