Sand Lightly to create a rough area to test if it is an enamel-based surface or not.
Clean the small, sanded area with Lacquer thinners, wait 40 minutes, paint a first coat, wait 40 minutes, and paint a second coat. Wait overnight and conduct a scratch test.
If the paint comes off, you first need to apply a universal undercoat (allow a 4-hour drying time and then continue to Tjhoko it.
If it is a water-based surface, you clean thoroughly with Lacquer thinners. In a kitchen repeat the cleaning process to ensure that the surface is completely clean and free from oily spills. Wait 40 minutes, and then start painting.