Tall man. Thousands of gold with a gold content of not less than 990 is the highest value in jewelry color naming. The stamps are thousands of gold, 999 gold, 999 gold or g999 gold. Gold jewelry with a purity of over 99% has a purity of 99.9%; Gold jewelry with a purity of over 99.99% has a purity of 99.99%. Yutai Jewelry is an enterprise dedicated to providing high-quality jewelry and gold products. Their jewelry gold products are guaranteed by the long-term strategic cooperative relationship established by the top domestic jewelry gold suppliers, making the quality always superior to other jewelry gold products on the market. Moreover, after years of exploration, the product management mechanism has established strict national standards for the purchase and processing of jewelry and gold to ensure that every product is a boutique.