electric water heater element
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Подгонянная обработка отверстия фланца точности анти- масштабной коррозии внутреннего сосуда 10Л
Anti-Scale Corrosion Inner Vessel 10L Precision Flange Hole Machining Customized Capacity Available Technical Parameters: Shell Plate Thickness: 1.2mm~2.5mm Inner Surface Roughness: Mirror-polished finish (Ra ≤ 0.8 μm) reduces scale accumulation Surface Treatment: Internal Wall Passivation Anti-rust ...