英语翻译

Some of the purple soft rubber sleeves are tainted with white spots.
We have received customer complaints and have analyzed the reasons as follows:
First, this product involves complicated process, which is related to things like painting, pressure, temperature, and paint spraying. The following reasons may have caused the above problem:
1. Wrong proportion in paint mixing.
2. Low pressure.
3. Quick evaporation of dissolvent (diluents).
4. Improper setting of spray gun.
5. Improper paint spraying. The paint layer is too thick and builds up over the spray layer.
6. High temperature of leveling.
7. Inadequate leveling of paint.
Second, substandard supply and careless screening process resulted in the delivery of substandard products.