Core Viewpoint - Northern Long Dragon (301357) has recently received a patent for a lightweight high-strength composite material bullet holder and its preparation method, indicating a significant advancement in material technology [1] Group 1 - The patent was issued by the National Intellectual Property Administration, with the patent number ZL202310861173.1 [1] - The patent rights are held by Northern Long Dragon New Material Technology Co., Ltd., with an authorization announcement date set for November 18, 2025 [1] - The duration of the patent rights is 20 years, providing a long-term competitive advantage in the market [1]