九游会真人游戏

Tongding specializes in the R&D, production and sales of optical and electrical cable products of railway and urban rail transit signal system, and has obtained the administrative license and the railway transportation safety equipment production enterprise certificate issued by The Railway Corporation, and the CRCC certificate issued by China Railway Product Certification Center. We are committed to making railway transportation safer and creating a first-class enterprise in domestic railway and urban rail transit signal system.