适应更寒冷，制热更强劲，专为北方极寒地区开发

Applicable to the colder environment due to its stronger heating capacity and developed specifically for the extremely cold northern regions;

大幅改善压缩机及系统的低温性能，使之在极端低温条件下强劲制热

Significantly improving the performance of the compressors and systems in low temperatures, endowing them with powerful heating capacity in the extremely cold conditions.