Rubber
| Sat 15 Nov 2025
Beijing, Nov. 15 -- Yunnan Natural Rubber Ind Group Xishuangbanna Jingyang Co Ltd has sought patent for Production Process of Cylindrical Rubber Block Based on Natural Rubber. This invention was developed by Zhang Ronghua, Li Mingzhong, Ruan Linguang, Yin Jiawang, Liu Xiaonan, Tan Hewei, Xi Yang, Deng Qiuyang, Luo Jianyu, Zhu Ya..