1. Unique design: Safir jewelry is widely praised for its unique design style. The brand pays attention to details, and every piece of jewelry has been carefully designed to show high artistic value. The design of Longfeng jewelry is relatively conservative, which can't satisfy the consumers who pursue innovation.

2. High-quality materials: Safir jewelry uses high-quality jewelry materials, such as diamonds, precious stones and precious metals, to ensure the quality and value of products, while the quality control of Longfeng jewelry has problems in some cases, which affects the purchasing confidence of some consumers.