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China Glass Door Floor Spring Manufacturer – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus

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We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for Commercial Panic Door Hardware Parts, Panic Bars, Self Closing Door Hinge, We warmly welcome your participation based on mutual benefits in the near future.
China Glass Door Floor Spring Manufacturer – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus Detail:

Performance parameters of D-128
Model D-128
Applicable Standard UL Certificate
Engine Cylinder Single
Max Door Width 900mm
Max Door Weight 80kg
Max Open Degree 116°
Stop-Device 90°
Latching Speed Adjustment 0°-20°
Closing Speed Adjustment 20°-90°
Application Temperature  -40° to 60°
Dimension:Length*Width*Height 258mm*103mm*48mm
Material of Cover Plate 304SS or 201SS
Thickness of Cover 1.0mm or 1.2mm
Finish SSS/PSS/Matt Black
Service Life Over 500,000cycles
Warranty 3 years

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.


Product detail pictures:

China Glass Door Floor Spring Manufacturer –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Glass Door Floor Spring Manufacturer –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Glass Door Floor Spring Manufacturer –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Glass Door Floor Spring Manufacturer –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Glass Door Floor Spring Manufacturer –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for China Glass Door Floor Spring Manufacturer – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Paraguay, Mauritius, Sao Paulo, We've more than 10 years exported experience and our products and solutions have expored more than 30 countries around the word . We always hold the service tenet Client first,Quality first in our mind,and are strict with product quality. Welcome your visiting!
  • Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Delia from Barcelona - 2017.07.07 13:00
    This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
    5 Stars By Ellen from Dominica - 2017.10.13 10:47
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