... structure,long life,easy to clean and intstall,wide application,covers a small aera. Panel heat exchanger is ... for condenser and evaporator B. hvac: cooperate with boiler use of intermediate heat exchanger, high-rise building intermediate heat ... other: petroleum, medicine, ship, sea water desalination, geothermal use.Product standard GB16409-1996 "plate heat exchanger"Engineering standard GB50242 ...