Ultra Clean Holdings, Inc. is a developer, manufacturer and supplier of subsystems for original equipment manufacturers (OEMs) in the semiconductor capital equipment industry. The Company serves various markets, including consumer, medical, energy, industrial, flat panel and research industries. It offers engineering and manufacturing solutions for the development, design, component sourcing, prototyping, engineering, manufacturing and testing of advanced systems, design-to-delivery cycle times and component neutral design, among others. Its products include precision robotic solutions, gas delivery systems, a range of industrial and automation production equipment products and subsystems that include chemical mechanical planarization modules, chemical delivery modules, top-plate assemblies, frame assemblies and process modules. It also offers fluid systems used for various wet processing steps, such as cleaning, chemical mechanical polishing and electrochemical deposition.