The registration address of sati is located at 33rd floor of 1st floor of twin avenue, midway, east-strength street, in the twin-stream area of cheng city. The registration authority is the market supervision authority for the twin-trend zone of cheng city. The legal entity is represented by wang hong, and its operations include research on energy-saving environmental equipment; design, construction and renovation of buildings; fire-fighting engineering design, construction; design, construction of building walls; software development; installation of pipelines; intelligent installation engineering services; advertising, production, agency distribution; sale of construction materials, crafts, electronics, public safety equipment, hardware products, computers and assistive equipment。