On December 22, Liao Yong, head of safety and Quality Department of Shenzhen Metro Line 9 project department, together with the staff of signal and communication specialty, went to CSCEC Southern conference room to attend the comprehensive support and hanger technology exchange meeting, and went to the internal safety channel of vehicle control room of Xingdong station of Shenzhen Metro Line 5 to listen to the introduction of products by manufacturer hilide. Representatives of Shenzhen Metro Group, line 9 construction branch, operation branch, CSCEC southern, Guangzhou Railway Design Institute and other representatives attended the meeting and on-site investigation.

At the meeting, representatives of Hilti introduced the structure, materials, stress, quotation and other basic information of comprehensive supports and hangers, and emphasized the advantages of comprehensive supports and hangers compared with traditional hangers. Subsequently, the third company of China Railway Erju introduced the successful experience of using comprehensive supports and hangers in Hangzhou Metro, and answered the questions raised by the participants.

It is reported that, as a new type of support and hanger, the comprehensive support and hanger can be supported, erected and hoisted. It has the characteristics of good compatibility, stable and reliable stress, labor saving, and optimization of comprehensive pipelines. In recent years, there are many successful cases in the application of industrial, civil buildings and subway mechanical and electrical installation engineering. Through participating in the technical exchange meeting, the relevant professional staff of line 9 have a preliminary understanding of the construction of comprehensive supports and hangers, which has played a certain help in coordinating the cross procedures of wind, water and power in various units.