Details: https://www.grandresearchstore.com/chemicals-and-materials/global-glass-microfiber-2018-2023-772 The global Glass Microfiber industry has a rather high concentration. The major manufacturers are concentrated in United States, Europe and China, such as Johns Manville, Unifrax, Hollingsworth and Vose, Lydall and Taishan Fiberglass (Sinoma). At present, Johns Manville is the world leader, holding 17.94% sales market share in 2017.