Centralized heating is an important symbol of urban modernization, as well as an important measure to save energy and improve the environment. With the continuous development of the heating industry, the majority of users have expressed higher requirements for the stability and quality of heating. Plate heat exchanger unit is the principal part of heat exchange station. The New Roc Industrial Limited series plate heat exchange unit was developed according to the characteristics of centralized heating. The unit has good environmental protection performance, the overall running noise is lower than 70db, the structure is compact, the appearance is beautiful, and the operation is convenient, safe and reliable.