Changshu Tianyin Electromechanical Co., Ltd. engages in the research, development, production, and sale of refrigerator compressor parts. It operates through the following segments: Refrigerator Compressor Spare Parts and Military Electronics. The Refrigerator Compressor Spare Parts segment offers refrigerator compressor starters, suction silencers, and refrigerator inverter controllers. The Military Electronics segment provides electromagnetic spectrum safety equipment, electronic warfare equipment, ultra-wideband signal capture & analysis systems, stellar sensors, new system radars, and radar-related technical services. The company was founded on August 2, 2002 and is headquartered in Suzhou, China.