Donghai County Mankai Trading Co., Ltd. is a professional jewelry company with ten years of experience in the jewelry industry. We specialize in all kinds of gem jewelry. We provide high-quality products with competitive prices. Our product range is very wide, including sapphire rings, emeralds, rubies, tourmalines, opals, citrines, amethysts, chalcedony, bracelets, necklaces, earrings, etc. In addition, we have a professional e-commerce team and excellent after-sales service. You can also tell us your needs, we customize it for you with professional capabilities.