... AISI1045, AISI5145 2) Be used in door closers Window part|Forging part Door Closer Piston|accessoryFeatures:1) Materials: AISI1045, AISI51452) Be ... who are famous door closer producers in EuropeAbout Us: Huadong Forging Co.,Ltd is a comprehensive enterprise which specialized in the ... and machine. At present, the company has five forging production flowing(300T-1000T), two aluminum alloy die-casting < ...