Hardware, Friction Stay, Handle manufacturer / supplier in China, offering Factory Supplies 13.5mm Stainless Steel 4 Bar Upper Groove Friction Window Hinge Upper Groove Friction Stay Window Hardware, Hot Sale Casement Window Accessories 13.5mm Square Groove Vertical Furniture Hardware Casement Window Stays Friction Hinge, 13.5 mm Round Groove 4 Bar Friction Stay Window and Door Furniture Hardware System Stainless Steel Hinge Accessories for Casement Window and so on.