On March 30, specialists from Headquarter and Henan Subsidiary of CASIC visited CRRC Tangshan Co., Ltd, for the sake of better communication regarding fastener technology difficulties and business development.

It was reported by CRRC Tangshan that the company was at present confronting with some difficulties in the aspect of key fasteners applied in key position of high-speed rail bogie and braking system, within which one kind of bolt product would impact the final assembly of the train. With the aid from CASIC, this technical problem was successfully solved. In addition, CRRC Tangshan also entrusted CASIC to conduct the failure analysis of part of its fastener products on a basis of further cooperation and communication.