Y.A.C. Holdings Co., Ltd. engages in semiconductor business in Japan. The company produces and sells liquid crystal and semiconductor-related products, including dry etching, and barrel plasma ashing. It also manufactures and sells hard disk related manufacturing equipment, such as burnishers, UV curing machines, hard disk conveyors, automatic machines, conveyor systems for semiconductors, conveyor/handling/automatic machines, factory automation equipment, handlers, solar water and cell manufacturing tools, and research and development tools, as well as laser and Ion beam machines; and cleaning machines consisting of shirt finishing systems, wool and uniform finishers, tumblers, bagging systems, sorters, and apparel equipment for clothing. The company was formerly known as Y.A.C. Co., Ltd. and changed its name to Y.A.C. Holdings Co., Ltd. in April 2017. Y.A.C. Holdings Co., Ltd. was founded in 1973 and is headquartered in Akishima, Japan.