Recently, the No. 6 section of railway track reinforcement project in the northern Kingdom of Cambodia constructed by China Railway 16th Bureau Group, a wholly-owned subsidiary of CRCC, passed the final acceptance. The construction section of the line is 40km long. During the construction process, the project team independently developed new equipment, innovated management models and effectively saved the construction costs. The project team completed the design and manufacture of two mobile flash welding machines with gear flat car and 4 track ballast car with 40% market specific equipment leasing funds. During the construction of flash butt welder which is the most heavy and difficult engineering, the project team completed the equivalent of more than 900 kilometers of domestic passenger dedicated line and achieved the average daily welding of 80 joins and the single day welding of 132 joins.