Rubber
| Sat 11 Jul 2026
Beijing, July 11 -- Tangshan Dongya Heavy Ind Equipment Group Co Ltd has submitted a patent application for Automatic Mixing Equipment for Preparing Rubber High Polymer Material. This invention was developed by Li Xiuping, Wang Yajing, Wang Xiujie, Yu Qingqing, Liu Jinwei, Zhang Jiuli, Zhao Huimin, Liu Zhifu, Li Qian, Cao Maoguo..