China Greatwall Technology. 

China Greatwall Technology Group Co., Ltd. engages in network security and information, high-tech electronics, power supply, parks and property service, and other businesses in China. The company offers server products, storage devices, desktop PCs, computers, laptops, tablet PCs, and mobile phones; information security products; and desktop power supply, server power, mobile power, LED power supply, electrical products, chassis, and heat sink products. It also provides cloud computing solutions; and energy storage products, inverter and photovoltaic power stations, lithium primary and secondary batteries, solid-state lithium batteries, and sodium-ion batteries. In addition, it offers bank-to-business solutions, smart banking solutions, self-service card issuing machine product solutions, mobile marketing equipment, processors, card makers, UCR equipment, smart bills and single deposit machines, VTM remote bank, self-service equipment, and counter equipment. The company was formerly known as China Great Wall Computer Shenzhen Co., Ltd. and changed its name to China Greatwall Technology Group Co., Ltd. in March 2017. China Greatwall Technology Group Co., Ltd. was founded in 1987 and is based in Shenzhen, China.