How do you handle the surface of the paint spray
It can be sprayed directly from the paint, but you can't paint it as beautiful as it is now. Try it if you don't believe it
Spray painting directly, no need to remove the original paint. Do not spray on the surface when spraying lacquer.
Don't need to surface treatment before painting, but to do the surface cleaning and clean, with fine sand paper burnish drops particulate impurities gently, and then use rag wipe off the dust, if there is oily be soiled, also use water to clean the washing powder, again with a clean wet cloth to wipe clean water washing powder.