Zhengshi Hardware is focused on the R&D, design and production of door hardware accessories, from door handles and hinges to locks and die casting. With rich experience in door & furniture hardware, we have the capacity to manufacture products with complicated structure and high requirement on processing precision. Our products have been widely used in homes, hotels, office buildings, medical institutions, and many other applications. And the locks have been sold to America, Russia, Canada, Japan, Vietnam, Indonesia, Spain, German, etc. Besides, our independently developed push pull mortise locks have obtained over 10 national patents and passed SGS certification.