Zhengzhou plate heat exchanger consists of a set of corrugated metal plates and gaskets, compression plates, guide rod, clamp bolt column and take over other components. The four corners of the board opened a corner plate heat exchanger consists of a set of corrugated metal plates and gaskets, compression plates, guide rod, clamp bolt column and take over other components. The four corners of the board opened a corner holes for the two heat transfer fluid through. Metal plate mounted on the fixed plate and activities within the framework composed of pressed board, with a clamping bolt intensify. Plate with sealing gasket, sealing the fluid passage and directs the fluid to flow alternately into the respective channels. Corrugated board not only improves the degree of turbulence, and the formation of a number of support points.