Shenyang Aeroengine Research Institute (Chinese: 沈阳发动机设计研究所; pinyin: Shěnyáng Fādòngjī Shèjì Yánjiū Suǒ) or the 606 Institute is a Chinese aeroengine design institute of the Aero Engine Corporation of China.[1] In the past, it has partnered with Shenyang Aircraft Corporation in developing military aircraft engines.