Aero Engine Corporation of China (AECC) Guizhou Liyang Aviation Power (中国航发贵州黎阳航空动力有限公司, also known as China Aviation Development Guizhou Liyang Aviation Power) is a company engaged in the development, production, and repair of aero engines and components. It also offers non-aeronautical products that include electronic communications, automotive parts, etc. The company caters to the aerospace and defense industries.