Tools and Machinery
| Mon 04 May 2026
Beijing, May 4 -- CCCC First Highway Consultants has sought patent for Sealing Layer Annular Joint Structure, Gas Storage, Deformable Joint and Sealing Layer. This invention was developed by Cao Xiaoyong, Geng Junyang, Ye Xinxin, Li Jianfei, Zeng Dongyang, Xu Ping, Pan Yi, Xi Weizheng, Yue Linbo, Wang Shaofei, Xu Zhe, Tan Haixin..