Lutong Group adheres to the development model of balancing urban operation and engineering general contracting, and implements an integrated strategy of investment and development, design and construction, and operation. It has full industry chain resources and operational capabilities in the fields of highways, municipal engineering, ports and waterways, docks, airports, tunnels, electricity, bridges, architecture, decoration and renovation, urban construction, and transportation infrastructure. Participated in the investment and construction of multiple airport terminals and high-speed national and provincial highways, and invested in the construction of multiple demonstration projects by national ministries and commissions. The bamboo joint pile products developed and produced by Tsinghua University and Tongji Qi University are widely used in industrial and civil construction, and have won multiple patented technologies to fill the domestic gap. The integrated platform for smart city management and maintenance developed is at a leading level in China, and has been fully applied in Beijing and promoted nationwide. We have successfully completed the tasks of urban management, maintenance, emergency rescue and security for major events such as the military parade celebrating the 70th anniversary of the founding of the People's Republic of China, the congress celebrating the 100th anniversary of the founding of the CPC, and the Beijing Winter Olympics.