Zhongshan Longsire Metal Products Co., Ltd. is a comprehensive manufacturer and trading company based in Zhongshan, China, specializing in high-quality security hardware and door locksets. Established in 2014 and operating under the brand name "Longsire," the company integrates over 10 years of manufacturing expertise with robust capabilities in mold design, die-casting, polishing, and plating. The corporation employs between 101 and 200 professionals and maintains a strong focus on research and development to meet diverse client specifications.