Roshow Technology Co., Ltd. engages in the production and sale of enameled wires, machines, electronics, and sapphire. Its business areas include Enameled wire, Machinery & electronics, Sapphire, and New energy vehicles. The Enameled wire business produces high temperature copper core enameled wires, fine copper core electrical wires, and high temperature aluminum enameled wires. The Machinery and electronics business includes new energy motors, turbochargers, and sapphire crystal furnaces. The Sapphire business provides sapphire used in light-emitting diode substrate materials and consumer electronics such as smartphone buttons and smart watch surfaces. The New energy vehicles business includes controller area network bus control systems for new energy vehicles and fuel vehicles. The company was founded in December 1986 and is headquartered in Zhuji, China.