As a door hardware company, D&D understands the importance of safety when it comes to protecting your property and loved ones. That is why we are proud to offer UL fire bars as a reliable solution for fire-rated doors. In this article, we will introduce you to UL certification, fire-rated doors, and

For further information about door hinge or any of our services, click here.Contact us Now:Contact: David JianMob: 0086-139 2903 7292Email: David@dndhardware.com, sales@dndhardware.comJobby ZhangMob: 0086-137 2599 9617Email: jobby@dndhardware.com

The burglar door Rim Exit Device body is a security door core component. To make our home life secure, the security door Rim Exit Device is to have strong and durable characteristics, at the same time, the security door Rim Exit Device must also be convenient to apply, if the security door Rim Exit

The device and its accessories must be chosen taking account of the type of user: • devices placed on the market after 1 July 2013 and intended for use by the general public must be CE Marked to BS EN 1125 – Panic exit devices operated by a horizontal bar, and preferably provided with additional product certification by an approved third party certification body. • devices placed on the market after 1 July 2013 for use by trained personnel must be CE Marked to BS EN 179 - Emergency exit devices operated by a lever handle or push-pad, and preferably provided with additional product certification by an approved third party certification body.

we learn about the factors, steps and Successive sequence of door scheduling. Now we continue to learn to choose Door Scheduling.