... ,friction stay hinge 1.Size: 8.10.12.14.16 2.Easy opening, good stability, 3.Well acid-resisting. 1.Name: Window hinge, aluminum window ... hinge,friction hinge2.Material: SS-304,SS-202, SS-201, SS ... (roller, hinge, lock, door clip etc.), being in this field for over 10 years. We can guaranteed with the reliable quality ...