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tribal jewelry wholesale There is no steel printing in gold, and there should be steel prints. rn黄金珠宝通常有几种类型的黄金,千金和K金, 标记也不同:rn1、纯金:金含量不少于990 /千,分别标记为“全金”,“金990, "G990", "AU990".
2, thousands of gold: The gold content is not less than 999, which are marked as "Gold 999", "G999" and "AU999".
3, K gold: also known as colorful gold, refers to precious metals from 8K to 24K, the gold content of 18K gold is 750 ‰, the markers are "750" and "18K", respectively. , Mark as "585" and "14K".