D and D provides a wide range of products for wooden and metal door applications.
such as Stainless Steel Door Hinges, Door Locks, Lever Handles, Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.
The D and D door set product category covers mortice locks, European profile cylinders, lever handles and hinges. Since the dimensions of all these products comply with DIN standards (DIN 18251 for mortice locks, DIN 18252 for profile cylinders and DIN 18255 for lever handles), the products are compatible amongst themselves regarding their functionality. All parts of the functional units are also perfectly aligned with each other.
Lock cylinder is also called euro profile cylinders, security cylinder, key cylinder, cylinder lock etc. It is the most important part of locks, can even say that a lock is good or bad depends on lock cylinder. In order to meet the needs of lock, we provide customers various colors, sizes and materials of mortise door lock cylinders. Generally speaking, you can find a suitable mortise door lock cylinders in many of our products. The door lock cylinder is suitable for wooden door, metal door, commercial door, interior door, outer door, swing door, etc. The surface of lock cylinder for front door is chrome plating, it is bright and durable. if you have questions when you are choosing lock cylinder, you can contact for answer, we are pleased to serve you.