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China Double Action Floor Spring Factories – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus

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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for Self Closing Door Hinges, Grainger Door Closer, Mortise Lock Sets, We have been pretty proud of your superior standing from our shoppers for our products' trustworthy quality.
China Double Action Floor Spring Factories – 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 Double Action Floor Spring Factories –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Floor Spring Factories –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Floor Spring Factories –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Floor Spring Factories –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

China Double Action Floor Spring Factories –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures


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We thinks what prospects think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater high-quality, reduced processing costs, rates are much more reasonable, won the new and previous consumers the support and affirmation for China Double Action Floor Spring Factories – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Gabon, Venezuela, luzern, We've got won a good reputation among overseas and domestic clients. Adhering to the management tenet of "credit oriented, customer first, high efficiency and mature services", we warmly welcome friends from all walks of life to cooperate with us.
  • The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Meredith from Georgia - 2017.12.09 14:01
    It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Eartha from Poland - 2017.09.22 11:32
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