(1) cast iron radiator: column type, wing type.
(2) steel radiator: plate type, column type, tube column type, string piece type, finned tube type, bathroom type, steel and aluminum composite column wing type.
(3) copper tube radiator: copper-aluminum composite column wing type, copper tube aluminum convection type, bathroom type.
(4) aluminum radiator: aluminum column wing type, cast aluminum column type.
(5) Stainless steel radiators: stainless steel column wing type, bathroom type