1. See if there are bumps or small bubbles on the exterior and whether the weld bead is flat or not;
2, tap the body to hear the sound, such as the sound of deep steel pipe wall thickness, you can also shop around the same model to see if the weight is the same, heavy wall thickness. The general wall is between 1.2mm-2.0mm. If the Cylinder changes to a drum, it means that the wall thickness should not be purchased as much as possible;
3, see the screw is complete or deformed, so as to avoid unnecessary trouble when installing;
4, there is the most important thing is the radiator itself used steel, pay attention to check the quality of steel;
5, spraying: this link but radiator face engineering, ah, requires bright colors at the same time, but also take into account the heat after the radiator, some manufacturers use low-quality powder in order to save costs, leading to serious pungent radiator heating Smell, this is too much physical harm. In modern society, we should still pay attention to our quality of life and our health.
2, tap the body to hear the sound, such as the sound of deep steel pipe wall thickness, you can also shop around the same model to see if the weight is the same, heavy wall thickness. The general wall is between 1.2mm-2.0mm. If the Cylinder changes to a drum, it means that the wall thickness should not be purchased as much as possible;
3, see the screw is complete or deformed, so as to avoid unnecessary trouble when installing;
4, there is the most important thing is the radiator itself used steel, pay attention to check the quality of steel;
5, spraying: this link but radiator face engineering, ah, requires bright colors at the same time, but also take into account the heat after the radiator, some manufacturers use low-quality powder in order to save costs, leading to serious pungent radiator heating Smell, this is too much physical harm. In modern society, we should still pay attention to our quality of life and our health.
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