Rubber
| Sun 31 May 2026
Beijing, June 1 -- Henan Aerospace Hydraulic & Pneumatic Technology has sought patent for Astronavigation-level Vulcanized Rubber Sealing Surface Processing Method. This invention was developed by Wang Yongjun, Liu Laiyun, Gong Haichao, Li Zhipeng, Hou Yun, Wang Mengli, Hu Dakun, Zheng Weiyang, Shu Honglin, Deng Hanlin and Zheng..