This meeting continues the series of workshops on the Cylindrical GEM detectors, held in the Frascati Laboratory of INFN.
We are indebted to INFN, IHEP, USTC and MAECI (the Italian Ministry for Foreign Affairs and International Cooperation) for jointly contributing funding to this meeting, in the cadre of the 3-year Program of Great Relevance PGR00136, Italy-China 2013-2015.