KOSUN customized low-temperature solid control system for Russian customers. The low-temperature drilling mud circulation system can meet the ambient temperature of -40C~50°C.  The system is equipped with a temperature shelter. The system is equipped with a polar thermal insulation and a polar steam heating system. The cable trough and exposed steam pipelines can be designed in the thermal insulation shed,  and the tank surface is equipped with a steam heater to ensure normal operation in the polar environment.