In 2012, China SFECO Group achieved progress in scientific research and got three patents for utility models which were ‘cement silo mutual recycle package and recycle method’, ‘mechanized charging device’, ‘sling structure for the reinforcement cage’.BR-06 bridge of Iranian Teheran North Highway Project applied for a scientific research for ‘long-span PC Composite Box-girder Highway Bridge with Corrugated Steel Webs’ which was listed as the key research project in SCG Group and got the fund of scientific research. This research would be the theoretical and technical foundation for the long-span PC composite continuous box-girder highway bridge with corrugated steel webs in intensity regions and reached the advanced international level of innovation.