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wholesale tuxedo jewelry
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wholesale faery jewelry It means that Shenzhen Bai Tai is processed. GSK Shenzhen Bai Tai's gold production processing plant, A is the factory code, and the gold content is not less than 999.
Among them, the letter X is also code -named by the manufacturer. When making jewelry with different materials or different purifications, materials and purity should be represented separately. When the jewelry cannot be printed due to too thin or too small, it should be attached to the logo containing the imprint content
extension information:
(National standards in parentheses): National standard GB11887-89 stipulates that every K (abbreviation of English carat, German Karat, often writes "K") gold content is 4.166666%,
9k = 100%/24*9 = 37.5%(375 ‰)
14k = 100%/24*14 = 58.333%(585 ‰) is a convenient logo, set it at 58.5%
18k = 100%/24*18 = 75%(7500% ‰)
22K = 100%/24*22 = 91.6666666%(916 ‰) is a convenient logo, set it at 91.6%
It is impossible to have 100%gold, so China stipulates that gold with a content of more than 99.6%(including 99.6%) can be called 24K gold.
This K gold content is a common specification of jewelry. The state stipulates that gold jewelry below 9K cannot be called gold jewelry.