1. Laofengxiang Laofengxiang Silver Building is the only century-old store in China. Lao Fengxiang's gold jewelry has classic styles and excellent quality, and is deeply loved by the public. Especially its gold wedding jewelry is very popular among newlyweds. 2. Chow Tai Fook Chow Tai Fook was founded in Hong Kong in 1929 and is the most famous Hong Kong jewelry brand in mainland China. The first 999.9 pure gold jewelry, becoming a model in the gold jewelry industry. In the early 1990s, Chow Tai Fook decided to use "current buying prices" with reasonable costs and profits, becoming another synonym for "genuine goods at reasonable prices". 3. Ancient temple Lao temple gold originated in Shanghai. It not only has a profound heritage, but also has its own unique cultural connotation. In terms of craftsmanship, Laomiao gold jewelry has exquisite shapes and has created many classic styles of gold jewelry. In terms of price, it's very real. It can be said to be high-quality and inexpensive gold jewelry. 4. Zhou Shengsheng Zhou Shengsheng, born in 1934, is from Guangzhou. Like Chow Tai Fook, he is also a well-known jewelry brand in China. Chow Sang Sang's gold jewelry is not only novel in style, but also exquisite in workmanship, and has been enthusiastically sought after by many young people. : Gold is the elemental form of the chemical element gold. It is a soft, golden, corrosion-resistant precious metal. Gold is a rarer, more precious and more valuable metal. Gold is generally expressed in ounces around the world. In ancient China, "Liang" was used as a unit of gold. It is a very important metal. It is not only a special currency for reserves and investments, but also an important material for the jewelry industry, electronics industry, modern communications, aerospace industry and other sectors. The chemical symbol of gold is Au, and its financial English code is XAU or gold. The name Au comes from the story of Aurora, the goddess of dawn in Roman mythology, which means shining dawn. As of October 12, 2021, the price of gold is $1,760 per ounce. Physical properties 1. Color: The steam released when gold is melted is yellow-green; during the smelting process, its gold powder is usually brown; if it is cast into thin sheets, green light can be revealed. 2. Scalability: Extraordinarily powerful. One ounce of gold can stretch 50 miles. Its malleability makes it easy to cast. A good choice for jewelry. Gold is the strongest of all metals. 3. Ductility: ranked first. It causes extremely thin gold flakes to roll up easily. One ounce of gold can be hammered as thin as 4 million feet thick and 100 square feet wide. The ancients hammered it into thin slices and used it to decorate temples and palaces. These can show the elasticity and ductility of gold. Chemical properties of gold (transition metal), the gold code is Comprehensive price: 1. 3 Melting point: 1064.43℃ Boiling point: 2808℃ Electronegativity: 2.54 Valence radius: 1.34a Ionic radius: 0.85 (3) Atomic radius: 1.79a Atomic volume: 10.2cc/mol First level Ionization potential: 9.2257V Secondary ionization potential: 20.521V Oxidation state: (3), Density at 1293k: 19.32g/cm3 Specific heat capacity: 0.128j/gk Heat of vaporization: 334.4kj/mol Heat of fusion: 12.55kj/mollt; fontco