How much do you know about the Gold and Silver Jewelry you usually wear?

Gold and silver jewelry mainly refers to jewelry made of gold or silver in Gold and Silver Melting Pot. Jewelry refers to the accessories on the heads of men and women, commonly known as "heads." Later, it became the general name of the whole body jewelry. The ancient jewelry is divided into hair accessories, neck ornaments, ear ornaments, jewelry and accessories. The ancient ancestors' understanding of gold and silver began in the Shang Dynasty more than 3,000 years ago, when people made these precious metals into ornaments for the nobles to enjoy. After only a few years, the Chinese jewelry market has leaped to the top of the world by only 1% of the world in the past few years, second only to the United States and Japan. In the coming period, the consumption growth of China's gold jewelry market will mainly be driven by three demands of a wedding, diamond jewelry consumption and overseas tourists spending in China. In addition, nearly 10 million new couples are married every year in the country, and the consumption due to marriage is as high as 250 billion yuan. In particular, people born in the mid-to-late 1980s with a birth rate of 21% will enter the age of marriage from 2007 to 2012. Only wedding jewelry consumption has a promising future.

As a Gold Smelting Machine Supplier, you should tell everyone that in addition to the quality of the store, gold jewelry, in addition to the quality of the store to buy, but also pay attention to the following four points:

1. Have a formal tax invoice, marked: jewelry name, color, weight. For future reference;

2. Choose according to each person's age, temperament, body shape and purchase motivation. The jewelry sold in the store is mostly jewelry in Shenzhen and Guangzhou. It is characterized by a novel style and beautiful appearance, but the purity is not necessarily high. There are also jewelry produced in Zhejiang, the style is relatively traditional, but the gold content is relatively high;

3. Care should be taken to check whether the jewelry has burrs, whether the chain is straight, buckles, joints, ear clips, etc. are safe. In order to make the buckle of the bracelet, the joints of the earrings, the ear and other parts more firm, the color of these parts is lower;

Digital Ultrasonic Cleaner Jewelry

4. When the jewelry is worn, it sometimes turns white. This is because the jewelry reacts with cosmetics, shampoo, detergent or mousse, so it should be less in contact with the cosmetics. This occurs, can be resolved by the store with the invoice. When storing jewelry in peacetime, it is best to use a soft cloth to separate each piece of jewelry to avoid friction and damage.

How to identify gold jewelry and brass jewelry. Gold has a strong sense of weight compared to brass, and it has a sense of oppression in the palm of the hand because the weight of gold is 19.3.

2g/cm3 and the specific gravity of brass is only 8.9g/cm3. The yellower the color of gold, the better the color. If it is reddish, the copper-containing impurities are high. If it is white, the silver-containing impurities are high, and the gold color is low. When the jewelry has some stains, use the Digital Ultrasonic Cleaner Jewelry to clean it.