Round Black Stainless Steel Kitchen Sink - 15.7" Built-in Bar Sink with Nano Coating for Modern Kitchens

●Product parameters:Product name: black nano-coated round sinkMaterial: Nano surface, stainless steel materialColour: BlackSize: 14*14/15.7*15.7 inches (360*360/400*400mm)●Why does the sink rust when it is installed?The "rust spots" of the sink often appear during the renovation or under renovation of a new house, and after the sink is installed, the reasons are:1) Decoration dust and chemical dust fall on the surface of the sink to produce a chemical surface;2) The water pipe of the new house contains rust or rusty water, which is caused by impurities deposited on the surface of the sink after the water is passed;3) It is caused by washing chemicals in the sink or soaking metal tools for a long time.●How to deal with rust spots?If there is rust after the sink is installed, it is usually caused by the presence of metal debris in the decoration water pipe. It will usually disappear naturally after normal use. You can also wipe it with toothpaste. A neutral detergent can be selected for the cleaning agent. If there is a stain that is difficult to remove, it can be diluted with food vinegar and then finely cleaned.