Ruian Ruihao Door & Window Hardware Co., Ltd. is a professional production company that collects the design module, product development, manufacturing, die-casting, polishing, machining integration into one organ. The major products are aluminum casement hanging series, MU wall accessories, crescent lock series, hinge series, hinges, two point locks, handle series, transmission series and aluminum doors and window lock series. Our products have passed ISO9001:2008 quality system certification.