In general, color fastness to rubbing; Uniform shape; The button body is smooth, the cavity is smooth; Fine workmanship, such buttons are good quality buttons. Of course, buttons made of different data (such as resin buttons, shell buttons, etc.) There are different criteria to distinguish the quality of buttons. So is there any way to tell?

1. Control sample or confirmation sample. Whether the type is consistent with the sample

2. The surface of the button should not have cracks, notches, scratches are obviously uneven

3, face back no car crack, foam; No rotten edges, uneven thickness

4. No obvious deformation, no white eyes, white circles and other phenomena

5. The buttonhole should be bright and smooth; Needle eyes should be symmetrical, not big eyes. If it is a dark eye button, the dark eye groove should be smooth. There's no obvious burst.

6. After electroplating or other process treatment, the effect should be uniform. If some special effects are inconsistent, they can be packaged separately.

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