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Cosmetic packaging function testing

Update:12-08-2022
Summary:

1. The size and material are consistent with the model. […]

1. The size and material are consistent with the model.
2. The full mouth capacity is greater than or equal to the marked amount.
3. All packaging accessories are complete and suitable.
4. Carry out the tightness test, and there is no leakage in the vacuum method or inversion method.
5. Screen printing, spraying, ink, wiping method test without falling off, discoloration, falling off.
6. The pump bottle and spray bottle are compressed 200 times without damage or failure.

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