Rubber
| Tue 13 Oct 2026
Beijing, Oct. 12 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Zhiying Petrochemical Tech Co Ltd for Coagulation Kettle and Rubber Coagulation System. Zou Qiang, Liu Linghui, Xie Cheng, Yuan Liang, Cai Yongjian, Li Xin, Liang Jinkui, Shang Yanna, Yang Gang, Li Haobo, Yanagida and Liu Zhejun deve..