GENEVA, Sept. 20 -- CHINA FIRST HIGHWAY ENGINEERING CO., LTD. (Tower A, Shi Tong International Building, Zhou Jia Jing, Guan ZhuangChaoyang District, Beijing 100024), 中交一公局集团有限公司 (中国北京市朝阳区管庄周家井世通国际大厦A座) filed a patent application (PCT/CN2024/140845) for "ASSEMBLY TYPE STEEL-CONCRETE COMBINED CAISSON LOWERING AND POSITIONING SYSTEM" on Dec 20, 2024. With publication no. WO/2025/189898, the details related to the patent application was published on Sep 18, 2025.
Notably, the patent application was submitted under the Internation...