Different kind of oil diffuser Inspection:
vehicle essential oil diffuser
ultrasonic oil diffuser
household oil diffuser
Humidifier oil diffuser
Some common factors for oil diffuser quality control:
1.Appearance quality
2.Weight & size & color & Odor test
3.Workmanship:defective list
4.Volume test
5.Printing 3M Tape test
6.Mist spray test
7.Carton drop test
8.Hi-Pot Test
9.Basic function test
10.Running test
11.Internal check
12.CDF/ETL comparison when applicable
