QUALIF DEVELOPMENT CO., LTD. are professional manufacturers in Building hardware and Furniture hardware in China, acting as exporters with products under the registered brand "QUALIF" for Magnetic Catch, Drawer Slider, Friction Hinge, Door Hinge, Hidden Hinge, Piano Hinge, Door Stopper, Nylon Castor, Window Rollers, Handles, Drawer Locks, Mortise Locks, Dead Lock, Glass Suction Plate, Glass Cutter