Hi! MF is the product of Mingfeng Jewelry. MF products will be available in many jewelry stores, 40 is a thousand -footed code. Thousands of gold: The gold content is not less than 999. The mark is thousands of gold, 999 gold, GOLD999 or G999. The gold: The gold content is not less than 990. The mark is "Foot Gold", "990 Gold", "GOLD990" or "G990". In purchase of gold jewelry, first recognize the quality inspection logo of gold jewelry. Most of the gold jewelry sold in the market is equipped with inspection signs from quality inspection institutions, which clearly marked the gold content and weight of the jewelry. 999 gold is also called thousands of gold, and the gold content is not less than 999 ‰; 990 gold is called sufficient gold, and the gold content is not less than 990 ‰; the gold content of 22K gold is not less than 916 ‰; the gold content of 18K gold is not less than 750 ‰ ; The gold content of 14K gold is not less than 585 ‰; the gold content of 9K gold is not less than 375 ‰. Sews to remind consumers that the color of 18K gold jewelry is yellow, white, red and other colors. White 18K gold is alloy of gold and nickel, zinc, silver, copper and other elements. White K gold jewelry is not a platinum (platinum) product.
Hi! MF is the product of Mingfeng Jewelry. MF products will be available in many jewelry stores, 40 is a thousand -footed code.
Thousands of gold: The gold content is not less than 999. The mark is thousands of gold, 999 gold, GOLD999 or G999.
The gold: The gold content is not less than 990. The mark is "Foot Gold", "990 Gold", "GOLD990" or "G990".
In purchase of gold jewelry, first recognize the quality inspection logo of gold jewelry. Most of the gold jewelry sold in the market is equipped with inspection signs from quality inspection institutions, which clearly marked the gold content and weight of the jewelry. 999 gold is also called thousands of gold, and the gold content is not less than 999 ‰; 990 gold is called sufficient gold, and the gold content is not less than 990 ‰; the gold content of 22K gold is not less than 916 ‰; the gold content of 18K gold is not less than 750 ‰ ; The gold content of 14K gold is not less than 585 ‰; the gold content of 9K gold is not less than 375 ‰.
Sews to remind consumers that the color of 18K gold jewelry is yellow, white, red and other colors. White 18K gold is alloy of gold and nickel, zinc, silver, copper and other elements. White K gold jewelry is not a platinum (platinum) product.
I answers: Heart to good and beautiful
MF is the logo of Mingfeng Jewelry. 40 should be gram.