1. Control samples or confirm the sample. Look at the color, the model is consistent with the sample;
2 pattern should be no obvious deformation, no white-eye, white circles and other phenomena;
3. Car back without car crack, bubble; no bad edge, the phenomenon of uneven thickness;
4. Electroplating or other process? The effect should be uniform? If it is some special effects can not be consistent? Can be packaged separately.
5. Hardware jewelry button surface should not have cracks, gaps, uneven and obvious scratches;
6. Buttonhole should be smooth and smooth; needle eye wear and tear are not all? To be symmetrical and no big eyes. If it is dark eye buckle? Dark eye groove should be smooth, no significant burst.
8. Urgent button / car button / prong button to try before shipment to test the performance and availability of metal buttons jewelry? And provide proofing and test samples to the customer.