Chengdu Yunda Technology Co., Ltd. engages in the research, development, production, and sales of rail transit locomotive operation safety systems.. Its products include metro security platforms, intelligent display unit for trains, track management automation, locomotive management information, maintenance management, and locomotive safety and fire protection monitoring systems, running gear monitoring devices and braking control units. The company was founded on March 10, 2006 and is headquartered in Chengdu, China.