Oil & Gas
| Wed 06 May 2026
Beijing, May 6 -- Yunnan Yuanxin Carbon has submitted a patent application for Tar Calcination Treatment Device. This invention was developed by Li Zitian, Zhang Yue, Tian Sulan, Wu Xiaojin, Li Chunwen, Li Hui, Lin Zhijin, Long Xin, Duan Bin, Li Xiaoyao, Wu Jianmao, Yang Long, Li Chunmin, Bai Liang, Jin Deming and Hu Huabing.
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