wholesale costume jewelry to resale cheap "CTF Football" and "CTF Football 999" marked on the Chow Tai Fujin necklace

wholesale costume jewelry to resale cheap Today, I went to Zhou Dafu to change the old necklace with the old. Is the engraving on the chain only printed with "CTF Football" 999? And the gold necklace I changed is "CTF Foot Gold 999" on the gold necklace. Did I change my impure?