J.E.T. Co., Ltd., together with its subsidiaries, engages in the design, development, manufacture, sale, and after-sales maintenance service of semiconductor cleaning equipment in Japan, South Korea, China, Taiwan, and internationally. It operates through Semiconductor Business and Others segments. The company offers batch type and single wafer cleaning equipment; and inspection and manufacturing equipment for lithium-ion batteries comprising electrolyte leak inspection devices and ultrasonic bonding systems. It also provides organic agricultural products. The company was incorporated in 2009 and is headquartered in Asakuchi-Gun, Japan. J.E.T. Co., Ltd. is a subsidiary of Zeus Co.,Ltd.