... G3/4" or 1" steel bathroom radiators, btathroom radiator, steel radiator, water radiator, home heating radiators, home radiator, house radiator, room radiator, column radiator, column steel radiator, central heating radiators, heater ... inductive automatic welding.6/ materla: Low carbon steelAdvantages: 1/Unique three inside corrosion prevention layers2/The only manufacture that appliers national ...