Products

Technical parameters:
1. Dial-wheel square core 8*8
2. Center length 72mm
3. Edge distance 98mm
Configure accessories:
1. Steel-wood dual-purpose screw pack
2. Striking plate
3. Plastic strike box
Performance; passed ANSI A156.13, passed the standard test of 1 million lock times,
Tested to UL standard
Passed the public security fire CCC certification
description; key/key to any door’s executive function/interphone transfer function in telephone handset; situation; situation

lock body D8704 This lock body is made of stainless steel/brass/iron, and the surface is treated with stainless steel wire drawing, zirconium gold wire drawing, bright light, bronze bronze, etc. The product has passed the ANSI 156.13 Class I certification, with a service life of more than 1,000,000. Product is certified by Underwriter*s Laboratories (UL and ULC Listed). The product has passed the certification of the police and fire department.

We are specialized in producing various middle-high class automatic door closers,floor spring, and relative door accessories hardware products.

Dorrenhaus brand was originated in 1872 in Germany,with the development and progress, Dorrenhaus successor decide to invest door closer factory in China.In 2011,Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd was formally established.
Zhejiang Dorrenhaus Hardware Industrial Co.,Ltd is a sino-foreign joint venture with investing 22 Million RMB totally, is an enterprise with 10 years experience in manufacturing door closer.We are a integrated R&D ,manufacturing and trading for door closer solutions for global customers,and we are entitled to High-Tech Enterprise by government.
We are specialized in producing various middle-high class automatic door closers,floor spring, and relative door accessories hardware products.Covering an area of 30000 square meters, we now have over 200 employees, an annual sales figure that exceeds USD 20 millions.

We have strong technical strength and high-quality products, and have been recognized by customers around the world. If you are interested in our products, please send us an inquiry through the contact button below, and we will provide you with the first time Excellent service.