1.      A plate-type heat exchanger interlaminar seal structure (patent no. 201721763957.7);

2.     A finned tube heat exchanger (patent no. 201721763879.0);

3.     A  plate heat exchanger used as a condenser (patent no. 201721763876.7)

4.     A flat plate heat exchanger with uniform flow rate (patent no. 201721763923.8)

5.     A fully welded plate heat exchanger with a cleaning device (patent no. 201721763966.6)

6.     A wide runner plate and plate heat exchanger (patent no. 201721763921.9).