EMAR Hardware, under the instructions of the company‘s leaders, General Manager Gu Chunning and Deputy General Manager Li Wenwu, invested in research and development funds. After five months of research, it finally made a major breakthrough in beryllium copper shielding shrapnel technology. From the original dozens of products a minute to now hundreds of products a minute, it has greatly improved the precision and production efficiency of beryllium copper shielding shrapnel, and met the customer‘s supply requirements and cost requirements.