Textile
| Mon 10 Aug 2026
Beijing, Aug. 10 -- Lanzhou LS Petroleum Equipment Engineering has secured a patent on Combined Die of T-shaped Packing Embedded with Reinforced Nylon Rope. Chen Junxia, Zhang Runxi, Wei Shuanghui, Zou Bin, Kong Lingxiong, Dong Hui, Ju Jingzhai, Zhang Jian, Wang Xiaoqin, Zhu Ligang, Wang Yanwei and Yang Xing developed the invent..