There are a series of this type used in China's  Ministry of Railways.

Our Closed Cooling Tower are approved by Chinese Government,

The most importance is the cooling tower's high quality and our best service,

As well known,Our Group-Weifang Heng An Radiator Group has Chinese national Level Heat Exchange Detecting Center.and we also pass through ISO 9001,ISO14001,BV ,TUV,CCS etc certificate.The products go through strict test before installation.

We,Weifang Heng An,also welcome customers friends from all over the word visit our factory and cooperate with us!