... copper pipe, brass pipe and seamless steel pipe;•Sheet metal: aluminum plate, galvanized steel plate, stainless steel plate ... /2"and 5/8";stainless or carbon steel Type: 1.Standard model:single-stage compressor circuit2.Level ... Bay numbers:2,3,4,5,6,8,10,12... Finned tubes:Sine wave (corrugated form),crumple sheet ... air-conditioning;6.Special Application Coils. New type aluminum heating ac condenser coil