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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. 

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Spring Door Closer

These spring door closers operate by increasing the direct force of the natural swing momentum of closing the door, and are designed to overcome the slow movement of gaskets and air pressure in order to provide fast and complete closing for heavy walk-in doors. And they are easy to install and can be simply snapped onto a hidden mounting plate. The simple spring mechanism provides a long, trouble-free service life. The steel shell and anti-bending hooks ensure long-term wear and tear during heavy use. Polymer rollers ensure quiet operation. These type of door closers are excellent choice.

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  NO.4 Bidg,Street 33,West Gaoxin Rd,High-tech Zone,Jianghai Dist.Jiangmen City,Guangdong,China
 +86 139 2903 7292

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