Project name: Congo Olongbo Airport Terminal Construction site: Oyo-Olongbo Special Economic Zone Roof catchment area: 10300㎡ Number of systems: 6 Number of siphon rainwater buckets: 26 The Oyo-Olongbo region has been turned into the green economy capital and sustainable development center of Congo. To this end, this area will implement a number of large-scale agricultural projects, including horticulture, forestry, wood processing, transportation, fisheries, and livestock breeding. In the future, multiple water towers will be built and rainwater reuse technologies will be implemented in environmental demonstration areas. , Use renewable energy. The urbanization of the region will bring about the development of industry, commerce and real estate.