High standards, strict requirements, and integrated products are used to capture the market.


On April 11, 2002, our company's RS-III type internal combustion and electric locomotive variable frequency air conditioning system passed the national science and technology commission Zhengzhou Railway Bureau's scientific and technological achievement appraisal. The passing of this appraisal indicates that our company's independently researched and designed RS-III type locomotive variable frequency air conditioning system has achieved and met the various requirements of "integrated" production and application of the air conditioner and power supply system.