Shandong Aiguo Forging Co.,Ltd(Used name Zhangqiu Aiguo Forging Co.,Ltd) established on 1992,start to export flanges since 2011. Aiguo is focused flange manufacture for all standard and non-standard flanges in carbon steel, such as Forging flange, Blind flange, Carbon steel flange, Plate flange, Welding neck flange.
