During the epidemic, 29 live master classes were held in collaboration with GUILD Gem Lab, with a total live broadcast time of over 100 hours. A total of 47 domestic and foreign guests were invited, including more than 40 from overseas, including 19 countries on 5 continents, to promote the integrated development of colored gems industry and pearl industry in the world through online communication.

GUILD Gemological College's "Market and Business Tour Course" was launched in Thailand.

Release of "GUILD Pearl Identification and Grading Course"

GUILD's field study tour group visited the Kagem emerald mine in Zambia and the MRM ruby mine in Mozambique, which are owned by international treasure giant Gemfields.

The GUILD team visited the emerald mining area in Panjshir, Afghanistan.Ruby Liu was the first woman to go to the Panjshir mining area for a field gemmological investigation.

The series of master courses of GUILD Gemological Institute were released, with the deep participation of world-renowned gemologists, industry leaders and industry association leaders, including the President of the International colored gems Association and the President of Gemfields.