Shenzhen Baitai Group is one of the largest suppliers of gold jewelry products in China, integrating research and development, production and processing, and wholesale sales, focusing on the processing and production of gold and silver jewelry. Most jewelry on the market is processed by Shenzhen Baitai Gold Production and Processing Factory.
The letter code on the jewelry.
Gold: expressed by the gold content of gold/gram or AU+. For example, "Gold 990"/"G990" or "AU990" all indicate that gold with a gold content of 99% is pure gold. Generally, 5G gold, ancient gold, etc. are all pure gold, and they are all expressed as pure gold "G999" or "pure gold 999" or "AU999".
K gold: K gold is a new era gold jewelry composed of pure gold and a certain amount of other precious metals. "K" means the unit of measurement. In principle, "24K" is pure gold, so 1K ≈ 4. 167%, that is, 18K means gold ornaments with a gold content of 75%, marked as "AU750" and "Au 750".
Gold plating: Using the principle of electrolysis, a thin layer of gold is plated on the surface of jewelry made of silver or copper. China's industry standard gold-plated layer thickness is not less than 0.5um, and gold-plated jewelry is marked with "GP" or "KP".