Analysis of the reasons why spray bottle can not sprayed and Solutions
In people's daily life, toiletries are one of the most common daily necessities. In many toiletries and toiletries, many of them are used in the form of spr
Read moreProduction method of paint pouring bottle
Step:
1. Grind the outer surface of the process bottle; Step
2. Pour the bottom color layer paint on the outer surface of the polishing process bottle to make th