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Basic conditions for applying for refund of return:
1. When exchanging goods, keep the original appearance when receiving the goods (except that the goods themselves have quality problems).
2. The returned goods should be brand-new and relevant accessories should be complete.
3. Written materials attached to the goods, such as certificates and invoices. , not defaced or defaced.
4. The original packaging of the exchanged goods should be kept intact.
Extended data:
Generally speaking, gold and silver jewelry will be engraved with numbers and letters, which is equivalent to the role of certificates, including the following situations:
1. Manufacturer code/brand name
Major well-known jewelry brands will engrave their own logo on jewelry, such as Chow Tai Fook is CTF, Xie Ruilin is TSL, Leofoo is CLF and so on.
2. Letters represent species and numbers represent purity.
Gold is Au or g, silver is s, gold is PT, palladium is Pd, gold is GP or KP, and gold is KF. Numbers represent purity. For example, S925 is 92.5% pure silver.
Baidu encyclopedia-Chow Tai Fook