Prior to the spraying process on metal products, the spraying location must be cleaned to prevent any impurities during the application. It is crucial to ensure the integrity and cleanliness of the product's surface.

During the painting process, only a single decorative layer is applied to the metal surface. Painting with excessive thickness is not recommended, as it can lead to color distortion, which is detrimental to normal usage.

Ensure even paint application by stirring the paint before spraying. This allows for thorough mixing, preventing a lighter top layer and a thicker, more cloudy bottom.

During the painting process, if the paint is too thick, additives can be used for spraying. The mixture should be adjusted according to the specified ratios, and imbalances should be avoided.

During the spraying process, it is crucial to ensure even coverage. Uneven thickness should be avoided, as it can affect the overall aesthetics after application, leading to visual disharmony.