Second. The basic quality requirements of flexible packaging.
1. bag
Obvious wrinkles, scratches, and air bubbles should not be used in the bag. The color of the bag should be uniform. The sealing of the bag should be firm, and there should be no openings, perforations, or leakage (paste). The composite bag should be firm and evenly coated.

2. Plastic package
The plastic seal should be firmly bonded without cracking. The surface of the plastic package should be clean and free from damage. There is no wrong installation, missing installation, or upside-down installation in the plastic package.

Third. the basic requirements of cosmetic packaging materials.

1. Ingot tube
The tube body of the ingot tube should be straight, smooth, free of cracks, burrs (burrs), no obvious scratches, and uniform color. The components of the ingot tube should be tight and appropriate to ensure that the contents can be screwed out or pushed out normally.

2. Make-up pen
The barrel and sleeve of the makeup pen should be smooth, straight, glue-free, and the paint film should not crack. The barrel of the makeup pen and the pen cover should be tight and tight. The color of the makeup pen should be uniform.