Changshu Tianyin Electromechanical Co., Ltd. engages in the research and development, and production of refrigerator compressor spare parts, and radar and aerospace electronics. Its Refrigerator Compressor Spare Parts business provides starters, suction mufflers, and frequency conversion controllers. Its Radar and Aerospace Electronics business offers electromagnetic spectrum security equipment and electronic warfare equipment, ultra wideband signal acquisition and analysis systems, and stellar sensors. The company was founded on August 2, 2002 and is headquartered in Changshu, China.