Tunghsu Optoelectronic Technology Co., Ltd. engages in the optoelectronic display materials business in China. It offers liquid crystal glass substrates, cover glasses, color filters, and sapphire glasses; high-end equipment manufacturing and system integration services; energy buses; and graphene-based lithium-ion batteries, graphene LED lights, and graphene electric heating films. The company is also involved in the research and development, designing, and manufacturing of high-end intelligent equipment, semiconductor equipment, and automated production line products for customers in the TFT-LCD and OLED flat panel display industries. In addition, it provides memory chips, peripherals, and electronic products; and infrastructure and construction engineering services in the fields of energy conservation, environmental protection, bridge engineering, etc. Further, the company is involved in the real estate business. The company was formerly known as Shijiazhuang Baoshi Electronic Glass Co., Ltd. Tunghsu Optoelectronic Technology Co., Ltd. was founded in 1992 and is based in Beijing, China.