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wholesale fashion jewelry los angeles california The world's largest gold -producing state -owned state -owned: South Africa, the United States, Australia and China; the countries with the largest demand for gold are: India and China.
The quality of gold is not much related to the place of origin, which is generally related to the content of gold. In China, gold can be called 24K gold with a content of more than 99.6%(including 99.6%).
The country's regulations that gold jewelry below 9K cannot be called gold jewelry. Use text to express the purity of gold: some gold jewelry has text marks, the regulations are: foot gold-gold content is not less than 990 ‰, not less than 990 ‰, not less than 990 ‰, not less than 990 ‰, not less than 990 ‰, Thousands of gold -gold content is greater than 999 ‰.
The regulations on gold product marks and logo cards in my country generally require production enterprise codes, materials names, content marks, etc., and unqualified products are unqualified products. The same is true internationally. But for some particularly small products, they are also allowed not to mark.
wholesale 10k tri color gold jewelry Hello friends, gold is distinguished according to the purity of the gold content, and it is not determined by the place of origin to determine excellent quality.
In "K gold" to represent the purity of gold: theoretically we call the gold of 100$K; so the calculation method is 100/24 (the national standard in the bracket): National Standard GB11887-89 regulations, Each K (English Carat, German Khaet's abbreviation, often writes "K") gold content is 4.1666666%, and the golden purity content is classified as follows:
9k = 100/24*9 = 375% (375 ‰); r;
14k = 100/24*14 = 58.333%(585 ‰) is a convenient logo, set it at 58.5%;
18k = 100/24*18 = 75%(750 ‰);
22k = 100 100 /24*22=91.666666: (916 ‰) is set to 91.6%;
theoretically 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold. Therefore, my country stipulates that gold with a content of more than 99.6%(including 99.6%) can be called 24K gold. These K -gold content is a common specification of jewelry. The state stipulates that gold jewelry below 9K cannot be called gold jewelry. Use text to express the purity of gold: some gold jewelry has a text mark on the golden jewelry. -The gold content is not less than 990 ‰, and thousands of gold-gold content is greater than 999 ‰. my country has regulations on the mark and logo of gold products. Generally, the production enterprise code, the name of the material, and the content of the content of the production enterprise are generally required. The same is true internationally. But for some particularly small products, they are also allowed not to mark.
wholesale tag for jewelry This question can be asked ..., gold is only divided into grades, regardless of the place of origin,