Electrical
| Sun 25 Oct 2026
Beijing, Oct. 24 -- State Intellectual Property Office of China has awarded a patent to Henan Tongde Electric Co Ltd for Ejection Demolding Equipment for Rubber Sealing Plug. Wang Qi, Wu Liming, Liu Peng, Wei Qingye, Cui Lei, Wang Liwei, Wang Zhiping, Zhao Yufeng, Li Ming, Shi Jingqiu, Wang Zhongjian and Lu Runshi developed the ..