Beijing Jiuzhouyigui Environmental Technology Co., Ltd. engages in the research and development, manufacturing, and marketing of rail transit vibration isolation and noise reduction technology solutions in China. The company is also involved in engineering design, testing, marketing, and consulting of rail operation and maintenance management engineering technical services. It offers steel spring floating track bed vibration damping system, prefabricated steel spring floating plate, sound barrier, isolated high elastic vibration damping pad, and heavy-duty adjustment rail energy consumption devices. The company was founded in 2010 and is based in Beijing, China.