The review meeting for trial assembly of main truss of steel truss arch of Nanjie River Bridge was held at Baoji on October 15. Leaders and experts from Chengdu Railway Bureau Guiyang Construction Headquarters, China Railway Second Group, China Railway Second Survey & Design Institute Group, Changsha Zhongda Construction Supervision Company and CRBBG, were present at the meeting.

After inspecting the status of fabrication of steel truss girders and horizontal trial assembly of main truss as well as listening to the "Technical Report on Trial Assembly of Steel Truss Arch" and "Test Report on Trial Assembly of Steel Truss Arch", the experts gave a high appraisal to this trial assembly and came to an agreement that CRBBG's machining process for Najie River Bridge was practicable; both fabrication equipment and fixtures met the fabrication requirement of steel truss arch for this bridge; and the quality management system was perfect, thus all conditions for batch production of steel truss arch were ready and batch production could start.

CRBBG Chief Engineer Ji Minting, on behalf of the company, addressed that in the following production, CRBBG would further optimize the process plan, elaborately organize the production and provide quality products and technical service so as to guarantee the satisfactory completion of production of Najie River Bridge.