Metal & Mining
| Thu 20 Nov 2025
Beijing, Nov. 21 -- Chinese Patent for Centering Coupling Device for Detecting J-shaped Welding Seam of RPV Top Cover Penetration Piece has been issued to DEC Guangzhou Heavy Machinery. This invention was developed by Zhang Liyin, Ren Jianming, Dai Qinlong, Ye Xinyan, Wang Huixiang, Pan Hansong, Zhou Ting, Yang Tao, Chen Lin and..