I think it's good and more affordable. Kingsheng focuses on improving the production technology and design level of jewelry, introduced multiple sets of production equipment from abroad, and adopted the strict production acceptance standards of "World Jewelry City" Italian Vicinchard. Excellent level at home and abroad. For more than ten years, Zhou Jinsheng has always focused on mainstream jewelry and precious jewelry products, including jewelry, golden products, platinum, K gold and emerald. The price of golden gold in the week, it is necessary to consider the Kim with the goldenness of the goldenness. If it is a 18K gold jewelry, then the gold content is 75%, then the approximate price can be learned through the gold content and daily gold price calculation. The higher the gold content, the higher the value. Mu attention when purchasing gold. You can identify it through the following methods: 1, the identifier of the jewelry imprint should contain the manufacturer code, the name and content of the precious metal material. 2, the appearance quality is mainly the inspection of specific process quality such as the overall shape and processing quality of the jewelry. 3, jewelry weight gold jewelry is calculated according to weight and processing costs. The weight of the jewelry is one of the important indicators. g.
Zhou Jinsheng is also a certified jewelry brand, which is generally not a fake. Mu attention when purchasing gold. You can identify it through the following methods: 1, logo The jewelry mark should contain the manufacturer code, the name and content of precious metal materials. 2, appearance quality is mainly the inspection of specific process quality such as the overall shape and processing quality of the jewelry. 3, jewelry weight The gold jewelry is calculated according to the weight and processing fee. The weight of the jewelry is one of the important indicators. The difference is 0.01g. 4, gold content The gold content in the jewelry is an important indicator of its quality. There are many types of gold content testing methods, which can be divided into chemical analysis methods and instrument analysis methods. Depending on whether the jewelry is damaged during the testing process, it can be divided into non -destructive The testing method and loss detection method. The daily inspection of the jewelry quality supervision department is generally mainly non -destructive testing method. , Analysis of large instruments such as electronic probes. Market supervision random inspections are based on the of the loss detection. The fire test method is currently the national testing method that measures the gold content of jewelry in my country. 5, see the color Ben according to the different luster and color of the gold, you can generally distinguish between pure gold, K gold, real gold, fake gold. That is, gold is better with red yellow, and the color is more than 95 %; the positive yellow color is about 80 %; the blue and yellow color is about 70 % ; the yellow color is slightly gray and the color is about 50 %. Therefore, there is a formula for "seven greens, eight yellow, nine five red, and yellow leucorrhea ash. For jewelry that is first from Jiuzang, there will be a saying that "copper turns green, silver turns black, and gold will never change color". 6, density The density of gold is 19.32 grams / cubic centimeter, which is about double the same volume of silver, lead, and tin. Available formula: The mass (gram) of a certain gold jewelry (gram) is more than the volume (cubic centimeter) of a certain gold jewelry (cubic centimeter). Seeking the density of the gold jewelry measured, the density is about 19.32 grams / cubic centimeter, it is pure gold or relatively pure gold, otherwise it is a non -pure gold or color difference gold (this method has no destructiveness to the jewelry). 7, folding hardness Gold has the characteristics of ductility and small hardness, which can be compressed into thin pieces of 12.7 microns. When the color is high, marks can be left with large head needles or nails. More than 97 % of gold jewelry, two or three times of bending , wrinkles appeared at the bend, also called fish scales; about 95 % gold jewelry, it feels hard when bending, and the fish scales are not obvious; 90 % are 90 %; 90 % The left and right gold jewelry is very hard when the bending is bent, and there is no fish scale pattern; the gold jewelry containing more This, bend twice or three times to break; When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer. 8, listening to the rhyme, watching elasticity When the high -colored gold jewelry is tapped or thrown into the hard manner, the dull sound of "dwelling, clocking" is emitted, and there is no rhyme, no elasticity, K without elasticity, K. Jin has the rhyme, sound, and elasticity. The greater the elasticity, the more the rhyme, the more old, the worse the color.
Pay content for time limit to check for freenThe answer is good and more affordable. Zhou Jinsheng focuses on improving the production technology and design level of jewelry. It has introduced multiple sets of production equipment from abroad, and adopted the strict production acceptance standards of "World Jewelry City" Italian Vicinchard to ensure the company's product quality at home and abroad. Essence For more than ten years, Zhou Jinsheng has always focused on mainstream jewelry and precious jewelry products, including jewelry, golden products, platinum, K gold and emerald. Zhou Jinsheng's gold price, you need to consider that Zhou Jinsheng jewelry uses K gold with gold purity. If it is a 18K gold jewelry, then the gold content is 75%, then the approximate price can be learned through the gold content and daily gold price calculation. The higher the gold content, the higher the value.nAsk Zhou Jinsheng's Jin Chun?nAnswer purenQuestion Zhou Jinsheng gold is not very yellow. Is this not so pure?nAnswer the same yellown3 morenBleak
A very ordinary brand, it is recommended to ask for invoices, beware of being deceived The Portuguese bank crisis relief, Israel's continued fierce air strike on the Gaza belt, the end of the World Cup, Iraq's situation stalemate, Abe's constitutional, Urak region issues, Libya Syria and other crude oils caused crude oil. Perseverance, the BRICS Four Kingdoms Conference and other factors The gold fell 2.4%on Monday. On July 15, 2014, the transaction price rose to about 260.5 yuan, the gold jewelry was about 310 yuan, the investment of gold was 273.5 yuan, and the recovery was 252.9 yuan. The recovery price is only less than 215 yuan. Investment needs to be cautious at risk, despicable advertisements, and despise some helping administrators who help to abuse
I think it's good and more affordable.
Kingsheng focuses on improving the production technology and design level of jewelry, introduced multiple sets of production equipment from abroad, and adopted the strict production acceptance standards of "World Jewelry City" Italian Vicinchard. Excellent level at home and abroad. For more than ten years, Zhou Jinsheng has always focused on mainstream jewelry and precious jewelry products, including jewelry, golden products, platinum, K gold and emerald.
The price of golden gold in the week, it is necessary to consider the Kim with the goldenness of the goldenness. If it is a 18K gold jewelry, then the gold content is 75%, then the approximate price can be learned through the gold content and daily gold price calculation. The higher the gold content, the higher the value.
Mu attention when purchasing gold. You can identify it through the following methods:
1, the identifier of the jewelry imprint should contain the manufacturer code, the name and content of the precious metal material.
2, the appearance quality is mainly the inspection of specific process quality such as the overall shape and processing quality of the jewelry.
3, jewelry weight gold jewelry is calculated according to weight and processing costs. The weight of the jewelry is one of the important indicators. g.
Zhou Jinsheng is also a certified jewelry brand, which is generally not a fake.
Mu attention when purchasing gold. You can identify it through the following methods:
1, logo
The jewelry mark should contain the manufacturer code, the name and content of precious metal materials.
2, appearance quality
is mainly the inspection of specific process quality such as the overall shape and processing quality of the jewelry.
3, jewelry weight
The gold jewelry is calculated according to the weight and processing fee. The weight of the jewelry is one of the important indicators. The difference is 0.01g.
4, gold content
The gold content in the jewelry is an important indicator of its quality. There are many types of gold content testing methods, which can be divided into chemical analysis methods and instrument analysis methods. Depending on whether the jewelry is damaged during the testing process, it can be divided into non -destructive
The testing method and loss detection method. The daily inspection of the jewelry quality supervision department is generally mainly non -destructive testing method. , Analysis of large instruments such as electronic probes. Market supervision random inspections are based on the
of the loss detection. The fire test method is currently the national testing method that measures the gold content of jewelry in my country.
5, see the color
Ben according to the different luster and color of the gold, you can generally distinguish between pure gold, K gold, real gold, fake gold. That is, gold is better with red yellow, and the color is more than 95 %; the positive yellow color is about 80 %; the blue and yellow color is about 70 %
; the yellow color is slightly gray and the color is about 50 %. Therefore, there is a formula for "seven greens, eight yellow, nine five red, and yellow leucorrhea ash. For jewelry that is first from Jiuzang, there will be a saying that "copper turns green, silver turns black, and gold will never change
color".
6, density
The density of gold is 19.32 grams / cubic centimeter, which is about double the same volume of silver, lead, and tin. Available formula: The mass (gram) of a certain gold jewelry (gram) is more than the volume (cubic centimeter) of a certain gold jewelry (cubic centimeter). Seeking the density of the gold jewelry measured, the density is about 19.32 grams / cubic centimeter, it is pure gold or relatively pure gold, otherwise it is a non -pure gold or color difference gold (this method has no destructiveness to the jewelry).
7, folding hardness
Gold has the characteristics of ductility and small hardness, which can be compressed into thin pieces of 12.7 microns. When the color is high, marks can be left with large head needles or nails. More than 97 % of gold jewelry, two or three times of bending
, wrinkles appeared at the bend, also called fish scales; about 95 % gold jewelry, it feels hard when bending, and the fish scales are not obvious; 90 % are 90 %; 90 % The left and right gold jewelry is very hard when the bending is bent, and there is no fish scale pattern; the gold jewelry containing more
This, bend twice or three times to break; When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer.
8, listening to the rhyme, watching elasticity
When the high -colored gold jewelry is tapped or thrown into the hard manner, the dull sound of "dwelling, clocking" is emitted, and there is no rhyme, no elasticity, K without elasticity, K. Jin has the rhyme, sound, and elasticity. The greater the elasticity, the more the rhyme, the more old, the worse the color.
Pay content for time limit to check for freenThe answer is good and more affordable. Zhou Jinsheng focuses on improving the production technology and design level of jewelry. It has introduced multiple sets of production equipment from abroad, and adopted the strict production acceptance standards of "World Jewelry City" Italian Vicinchard to ensure the company's product quality at home and abroad. Essence For more than ten years, Zhou Jinsheng has always focused on mainstream jewelry and precious jewelry products, including jewelry, golden products, platinum, K gold and emerald. Zhou Jinsheng's gold price, you need to consider that Zhou Jinsheng jewelry uses K gold with gold purity. If it is a 18K gold jewelry, then the gold content is 75%, then the approximate price can be learned through the gold content and daily gold price calculation. The higher the gold content, the higher the value.nAsk Zhou Jinsheng's Jin Chun?nAnswer purenQuestion Zhou Jinsheng gold is not very yellow. Is this not so pure?nAnswer the same yellown3 morenBleak
A very ordinary brand, it is recommended to ask for invoices, beware of being deceived
The Portuguese bank crisis relief, Israel's continued fierce air strike on the Gaza belt, the end of the World Cup, Iraq's situation stalemate, Abe's constitutional, Urak region issues, Libya Syria and other crude oils caused crude oil. Perseverance, the BRICS Four Kingdoms Conference and other factors
The gold fell 2.4%on Monday. On July 15, 2014, the transaction price rose to about 260.5 yuan, the gold jewelry was about 310 yuan, the investment of gold was 273.5 yuan, and the recovery was 252.9 yuan. The recovery price is only less than 215 yuan. Investment needs to be cautious at risk,
despicable advertisements, and despise some helping administrators who help to abuse
The cottage brand, you think of the quality