GENEVA, May 4 -- NANJING DADE STEEL PIPE CO., LTD. (No. 331, Zhening East Road, Lishui Economic Development ZoneNanjing, Jiangsu 211200), 南京大得钢管有限公司 (中国江苏省南京市溧水经济开发区柘宁东路331号) filed a patent application (PCT/CN2024/071115) for "CONTINUOUS EDGE ROLLING DEVICE FOR SPIRAL WELDED STEEL PIPE OF COMBINED STRUCTURE, AND MANUFACTURING METHOD" on Jan 08, 2024. With publication no. WO/2025/086475, the details related to the patent application was published on May 01, 2025.
Notably, the patent application was submitted under the International Pa...