On March 6, the signing ceremony of Product Quality Promise Letter for Guangzhou-Shenzhen-Hongkong High Speed Railway (GSH HSR) 830 Project was held in the meeting room on the 2nd floor in CRBBG. CRBBG Chairman of the Board Huang Zhenyu and GSH HSR representative signed the Promise Letter. CRBBG Deputy General Manager Dong Yanlu was present at the ceremony.

At the ceremony, CRBBG leaders deeply communicated with the customer representatives and they made an agreement on the issues jointly concerned. Then both sides seriously signed the Product Quality Promise Letter, and CRBBG presented the customer a bronze tripod that symbolizing "Credit cooperation and solemn promise". After the ceremony, the customer presentatives visited the Turnout Workshop with interest and gave high appraise on the great development strength of CRBBG.

It is reported that the Guangzhou-Shenzhen-Hongkong High Speed Railway starts from South Guangzhou Station, through Dongguan and Shenzhen and ends at West Kowloon Station in Hongkong, total length of 142 kilometers. CRBBG undertakes the development and manufacturing of partial high speed turnouts for this line. Recently, to meet the requirement of safety, smoothness and comfort, CRBBG Research & Development Department conducted self-design on turnout plane geometry, structural features, fastening system, sub-rail foundation and uniformization of stiffness in turnout area so as to ensure that the integral technologies of turnouts reach the top-ranking level in the world.