Are Lao Fengxiang's gold necklaces all marked with the words "Lao Fengxiang thousand gold"
What's the problem if only Lao Fengxiang doesn't have enough money?
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Not all of them
those with a gold content of no less than 999 are called thousand gold, which is the highest value in the naming of jewelry fineness. The mark is thousand gold, 999 gold, gold999 or g999. The imprint of gold jewelry includes manufacturer code, material and purity, such as X gold 990, xau990, X full gold, etc
Where, the letter X is the manufacturer code. When jewelry is made of precious metals with different materials or purity, the materials and purity should be expressed separately. When the jewelry cannot be printed due to reasons such as too fine or too small, it should be attached with a logo containing the imprint content
fineness
Hong Kong Law:
thousand gold: ornaments with a gold content of 999.9 per thousand will be engraved with the words "thousand gold" or "au999.9"
full Gold: the gold content is not less than 999 per thousand. The ornaments will be engraved with the words "full gold" or "AU999"
domestic law:
thousand gold: the gold content shall not be less than 999 per thousand, and the words "thousand gold" or "AU999" shall be engraved
full Gold: the gold content shall not be less than 990 per thousand, and the words "full gold" or "au990" shall be engraved
extended data
the purity of gold products is called "fineness" or "fineness"
in theory, we call 100% gold 24K; Therefore, the calculation method is 100 / 24 (the national standard is in brackets): the national standard gb11887-89 stipulates that the gold content per K (the abbreviation of carat in English and karat in German, often written as "K") is 4.166666%,
9K = 100% / 24 * 9 = 37.5% (375 ‰)
14K = 100% / 24 * 14 = 58.333% (585 ‰). For convenience of identification, it is set at 58.5%
18K = 100% / 24 * 18 = 75% (750 ‰)
22K = 100%./ 24 * 22 = 91.666666% (916 ‰) for convenient identification, Set it at 91.6%
in theory, 100% gold can be called 24K gold, but in reality, it is impossible to have 100% gold, so China stipulates that only gold with a content of more than 99.6% (including 99.6%) can be called 24K gold
these K-gold contents are the general specifications of jewelry. According to the national regulations, gold jewelry lower than 9K cannot be called gold jewelry
thousands of gold: those with a gold content of no less than 999 are called thousands of gold, which is the highest value in the naming of jewelry fineness. The mark is thousand gold, 999 gold, gold999 or g999. Full Gold: those with a gold content of not less than 990 are called full gold. The stamp is "full gold", "990 gold", "gold990" or "G990"
according to the regulations and nomenclature for the purity of precious metals in jewelry (national standard GB / t11887-2002), the minimum purity of pure gold is 990, that is, the purity is not less than 990 ‰; The minimum value of the purity of qianzujin is 999, that is, the purity is not less than 999 ‰. In the standards here, the purity range of precious metals in precious metal jewelry does not include solder components, but the content of finished products must not be lower than the specified purity range
the provisions on gold purity in national standards refer to the minimum purity. However, the purity of most of the gold and gold raw materials in the domestic market has exceeded this minimum value (the purity of gold has reached 995 ‰, and the purity of gold has reached 999.5 ‰)
reference source: Baidu Encyclopedia - gold purity
Y if you go to Laofengxiang's exclusive store and have a look, you will know. If you buy a thousand gold, generally speaking, there is the word "Laofengxiang thousand gold", and the thousand gold will definitely be marked with the words "thousand gold" (gold content 999), or 24K gold (gold content 990). You need to determine whether you buy a thousand gold or a full gold. Many dealers sell the full gold as a thousand gold, because customers don't know. So you'd better go to the place where you buy it and understand it clearly, Safeguard your rights and interests
necklaces may also be 18K. K gold usually bears g18k, g750, au750 and other words on the chain 18K is also gold, but the content of gold is 75%. Can you understand me
specifically, you can baidu marilai diamond. Their Baidu Encyclopedia knowledge is very detailed
There are all kinds of them, but only Lao Fengxiang does not have enough money, or enough money, which is a problem.