ACM Research, Inc. is a California-based company that develops and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. The company offers various technologies, including space alternated phase shift, timely energized bubble oscillation, Tahoe, and electro-chemical plating technology, that cater to different manufacturing needs. Under the Ultra C brand name, the company markets and sells its products to customers through direct sales force and third-party representatives.