wholesale jewelry by dozen packs
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wholesale jewelry by dozen packs
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inspired tiffany jewelry wholesale 1. Whether the gold has white highlights
Masted the gold bar or gold jewelry with ingredients and observed its cut surface with a magnifying glass. iridium.
2, measured the proportion.
In the weight of a pure gold bars with an balance, and then put the gold bars into a measuring cup and flood the gold bar. Then put the detected gold bars in a measuring cup, whether the scale of the water rises or decreases. As long as it changes, it means that the gold bar is not pure gold. But if it is gold jewelry, this method is not applicable because there is air in gold jewelry.
3, real gold is not afraid of fire.
This gold bars or gold jewelry burned for a while to observe its changes. Because the oxidation reaction occurs with oxygen in the air, the gold bars with insufficient purity will become gray; and the color of the pure gold will be red after the fire is baked. However, this method may be destroyed to jewelry.
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Saifel's development and innovation have been highly evaluated by relevant national departments and all sectors of society, enjoying a high reputation and reputation Degree, successively won "China Well -known Trademarks", "The Most Competitive Brand of China's Jewelry Industry in 2012", "Most Favorite Brand of Consumers", "Chinese Gold and Silver Jewelry Brand",
"Well -known brands", "Chinese jewelry industry's favorite top ten brands", "Chinese jewelry market most competitive joining brands" and many other honors have gradually become the fashion trend leadership brand of the Chinese jewelry market.
The end of 2013, international superstar Coco Li Yisheng joined, becoming the brand image ambassador of Saifel Jewelry. In 2014, the highest and most popular "Star Light Avenue" column with CCTV and CCTV launched a comprehensive cooperation with CCTV; parallel to the popular king variety column "Chinese Good Songs", supporting Chinese music and supporting original value.
Reference materials Source: Baidu Encyclopedia-Saifel
Reference materials Source: Baidu Encyclopedia-Gold
raz wholesale jewelry I. View the mark
The national standards stipulate that precious metal jewelry should be produced, manufacturers, materials and content marks, and unscayed products are unqualified products. If a quality problem, quality inspection agencies may be given inspection and judgment according to the mark. Consumers should purchase the brand they need and the gold jewelry of different gold content according to the mark.
. Sensory inspection method:
The color: Foot gold is dark yellow, K gold has yellow, red, white and other colors, and most of the imitation gold products are copper alloy, the color is relatively more color than shallow.
This weight: The proportion of gold is 19.3g/cm3, which is much higher than the proportion of imitation gold products. For example, a foot gold ring is about 5 grams, and the same size of imitation gold products generally less than 3 grams.
The test hardness: pure gold is soft, scratches with large head needles, bite tooth marks with teeth.
Ifly to know the content of precious metal jewelry or quality disputes, you should go to jewelry quality inspection institutions and use physical or chemical analysis methods for identification. When buying jewelry, you also need to carefully check whether the stones are inlaid and welded firmly.
wholesale handmade jewelry europe To put it simply,
The first to ensure that you buy Syphill gold instead of other fish and dragons mixed gold;
So how should you distinguish it?
(1) Word printing: It must be seen that the important degree of the word print can be used as the trademark painting. The seal of the Seffel is SFR, keep in mind;
(2) Syphel has A franchisee over 2,000, of which are inevitable, such as: Afil
alan jewelry golden triangle wholesale Syphier's golden and false disagreement method:
(1) Test weight, the golden proportion is 19.3, which is more important than metal such as silver, copper, lead, zinc, aluminum, etc. Compared with aluminum, gold is 40%heavier than silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. Trying it on the palm of your hand will feel that gold is heavy. If you have a sense of light floating, you should attract attention.
(2) Visually inspecting color, golden luster with golden eyes, the higher the color, the more beautiful the color. As the saying goes, "Qiqing, Eight Yellow, Nine Five Five Red" It will be sad.
(3) Check the hardness. The texture of the gold itself is soft, the gold jewelry is soft, and the color is low in color and the copper is harder. Therefore, how is the hardness of the bending?
(4) Check the rhyme, and fall the gold jewelry from about one foot away from the desktop naturally. Large, that is, there are more metals such as copper in gold, and the color is not good.
(5) The fire burning method, the gold resistance high temperature, the melting point is 1063.43C, so the saying goes "real gold is not afraid of fire refining". The jewelry is burned on the charcoal. After the cooling is cooled, the surface of the jewelry is still yellow, and it is real gold. If it becomes black, it is fake gold.
unfinished wood jewelry boxes wholesale Syphier's golden and false disagreement method:
(1) Test weight, the golden proportion is 19.3, which is more important than metal such as silver, copper, lead, zinc, aluminum, etc. Compared with aluminum, gold is 40%heavier than silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. Trying it on the palm of your hand will feel that gold is heavy. If you have a sense of light floating, you should attract attention.
(2) Visually inspecting color, golden luster with golden eyes, the higher the color, the more beautiful the color. As the saying goes, "Qiqing, Eight Yellow, Nine Five Five Red" It will be sad.
(3) Check the hardness. The texture of the gold itself is soft, the gold jewelry is soft, and the color is low in color and the copper is harder. Therefore, how is the hardness of the bending?
(4) Check the rhyme, and fall the gold jewelry from about one foot away from the desktop naturally. Large, that is, there are more metals such as copper in gold, and the color is not good.
(5) The fire burning method, the gold resistance high temperature, the melting point is 1063.43C, so the saying goes "real gold is not afraid of fire refining". The jewelry is burned on the charcoal. After the cooling is cooled, the surface of the jewelry is still yellow, and it is real gold. If it becomes black, it is fake gold.