Now, we are going to test the bathtub for sanding. This is very important!-- The third step

A high - quality bathtub is indispensable for the quality of each process control. After bathtub is in through the 2nd pace burnish, relevant technical personnel should become to the surface of bathtub smooth degrees undertake to detect. They will mark the spot and the tub will be sent back to be polished again until the surface is completely smooth. This is the quality control of our bathtub. SUNZOOM is your most secure choice！
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