Activated carbon fiber (ACF) is a small part of the global activated carbon and carbon fiber market; the global activated carbon fiber (ACF) market reached about 5.31 K MT in 2016 from 4.52 K MT in 2012. The CRGR is about 4.15% in 2012-2016. Japan is the largest market of the activated carbon fiber (ACF), while it took up about 70% of the global total market, followed by the China, about 23%.