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aa123 | Åê¹ÆÆü»þ: 2018-12-26 18:11 ¹¹¿·Æü»þ: 2018-12-26 18:11 |
ĹϷ ÅÐÏ¿Æü: 2018-11-16 µï½»ÃÏ: Åê¹Æ¿ô: 207 |
Re: Ã渶ÎӶȸ¦½¤ 018 involves controlling the fashion jewelry oxidation process to produce a black surface layer that can be buffed into a glossy finish. Some of these products are more stable and durable than others; alloys which contain 15% cobalt and Wedding Rings 10% chromium, and are electrolytically hardened are preferable for this reason. However, chromium imparts an olive-green hue, which is Diamond Jewelry not to everyone's liking.
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