From the start of our business in 1987. We devoted ourselves to develop the innovative system and products in Hydronics, Pumping System, Heat Transfer, Thermal Energy Storage and Water Filtration Systems.
  
With the challenging spirits for creating the new industry standards,
With the excellency of engineering abilities to provide the better solutions,
With the high quality products from the state-of-art technology,
With the experienced knowledge to support O & M and after sales service.

We have been distinguished as "the Group of Good Engineers" by our Customers. We are proud of this, being Jang-Han("proudly") Engineers. And further, to go beyond of our Customer's expectations, we are keeping our ears open to all of your criticisms.