There are many oil spots after spraying oil, and there are many bubbles after drying. What is the reason and how to solve it?

If you are a manager and you don’t understand, you can go to your supervisor. If the supervisor doesn’t understand, go to a technician. If the technician doesn’t understand, then you can come to me. 1. Scorch: Generally, grilled plastic products are There is a maximum operating temperature. Each plastic material is different and the temperature it responds to is also different. You can ask the plastic raw material supplier to provide a parameter table, so that it will not be scorched. 2. Less oil: This is the oil injection process