First, how to buy gold jewelry:

(1) Color discrimination: As the saying goes, gold is "seven green, eight yellow, nine purple and ten branches". Experts believe that 70% gold in jewelry is yellow with green, 80% gold is yellow, 90% gold is yellow with purple, and 10% gold is red. Pure gold is soft in texture and is generally not used for inlaying jewelry. Therefore, it must be a lie to claim that it is inlaid with gold ornaments.

(2) Weight: The specific gravity of gold is 19.3g/cm3, and the color has a great relationship with the specific gravity. When the specific gravity is close to 19.3, the content of pure gold is higher. When the specific gravity is 18.5, the gold content is 95%, when the specific gravity is 17.8, the gold content is 90%, and so on. As long as the specific gravity is measured, the fineness of gold jewelry can be known. But most people can feel the precipitation.

(3) See rhyme: When gold jewelry with high fineness is thrown on the concrete floor, it will make a dull click sound, which is a kind of sound without rhyme and weakness, commonly known as "dead sound". On the contrary, the lower-colored gold ornaments were thrown on the concrete floor, making a rhyming and sharp sound and rebounding slightly.

(4) Soft and hard: The higher the color of gold jewelry, the softer it is and the less elastic it is. Real gold will have faint marks when it is bitten with teeth or scratched with a needle, but it will not be broken when it is folded by hand, and it will not change color after burning (not at extremely high temperature). The color is low, and the fake one is the opposite.

Second, Jin Shengsheng joined the project.

Jinshengsheng Jewelry Co., Ltd. is an international jewelry enterprise specializing in the design, processing and decoration of platinum, gold, palladium and diamonds. The company has advanced processing center, testing center and after-sales service center. Over the years in line with the "integrity first, foundation-oriented" business philosophy. We will continue to strengthen cooperation with internationally renowned diamond institutions and manufacturers, devote ourselves to the research of various jewelry technologies, and provide consumers with fashionable and noble jewelry and perfect after-sales service. Up to now, the company has a history of more than 60 years, with total assets exceeding $3 billion and business all over the world. Jinsheng provides 24-hour online service, and directly transfers products from manufacturers to consumers through the Internet. Jinshengsheng gold production base is located in Shenzhen. As the core base of China's jewelry and gold industry, Shenzhen occupies an extremely important position in China's jewelry industry.

Hong Kong Jinshengsheng Jewelry Industry Co., Ltd. is an international jewelry enterprise specializing in the design, processing and fashion of platinum, gold, palladium and diamonds. The company has advanced processing center, testing center and after-sales service center. .