BASF Aktiengesellschaft of Germany has authorized TOYO to grant license and furnish a basic design package on its behalf for the OASE process since 1984. TOYO has sufficient experience in the design and construction of OASE CO2 removal units and has built many plants in Eastern Europe, Japan, Korea, Southeast Asia and Middle East respectively for ammonia production and natural gas sweetening. TOYO is also performing a number of optimization studies for CO2 removal in various process plants such as ammonia, natural gas sweetening, oxo-gas purification etc.