Lanzhou Greatwall Electrical (600192.SH) has issued a risk warning. The company's main business is the research and development, manufacturing, sales, and service of high, medium, and low-voltage switchgear, high, medium, and low-voltage electrical components and key parts, electrical transmission and automation systems, intelligent low-voltage complete power distribution devices, and busways and other electrical and electronic products. At present, the company's production and operation activities are normal, and the main business has not changed, still centered on the research and development, manufacturing, sales, and service of electrical and electronic products.