Thousands of gold with a gold content of not less than 999 is called thousands of gold, which is the highest value in jewelry color naming. The stamps are thousands of gold, 999 gold, 999 gold or g999 gold. The imprint of gold jewelry includes manufacturer's code, material and purity, such as X Gold 990, XAu990 and X Pure Gold.
On the eve of the Spring Festival of 20 15, the National Standardization Administration Committee published the revision of GB 1187-2012 "Provisions and Naming Methods of Precious Metals in Jewelry", which took effect on May 4, 2000/6. In the future, even gold with a purity of 999.0‰
Extended data:
Choosing a beautiful and suitable thousand gold ring requires careful selection of workmanship and style. When choosing jewelry, it is necessary to check the appearance of jewelry to see whether the surface of the ring is smooth, free from processing marks such as filing, scraping and hammering, and free from obvious processing defects such as burrs, sand holes, air holes, cracks and inclusions.
Welding stability, no virtual welding, exposed welding and obvious welding scar; Reasonable design, for example, there can be no small hook counterweight chain or large hook belt chain in the accessories. Thousands of gold has its unique golden luster. Pure gold will shine brilliantly in strong light, which other metals, including copper, do not have.
Baidu encyclopedia-thousands of gold
The gold price in the public network-Linyi market hit a new high in nearly six years, and consumers are becoming more rational.