... , Optional Coil rows: 4rows, 6rows4, Optional Type: Ceiling&Vertical&Horizontal type5. Application: for air conditioning system in industrial & commercial building, hotel & ... plate is double layers, outer plate is made of high grade electrolytic plate whose surface is sprayed plastic, while ... is made of galvanized sheet. In the middle is high pressure foamed hard polyurethane to prevent noise, fire and ...