Botou TongYong Bellows Manufacturing Co., Ltd. is located in Xihuan Industrial Park, Botou City, Hebei Province. Since its establishment in 2004, it has been committed to metal corrugated compensators, non-metallic compensators, expansion joints, pipeline expansion joints, Ventilation butterfly valve, Metal hose, Star type unloader, Rubber joint, Sleeve compensator, Pipeline Filter, valves and pipe fittings and other products Development and production.