Tokyo Electron is a developer of various electronic equipment, and a producer and seller of industrial electronic products. Its products mainly include semiconductor equipment such as exposure, etching, surface treatment, deposition, and testing systems; as well as panel manufacturing equipment such as those used for etching, ashing, and coating. Tokyo Electron also produces solar photovoltaic equipment and other electronic parts and components. The company provides services such as maintenance, upgrade, engineering, material replacement, and second-hand product sales for the aforementioned products too.