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

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abide by the contract", conforms to the market requirement, joins in the market competition by its high quality as well as provides more comprehensive and excellent service for clients to let them become big winner. The pursue of the company, is the clients' satisfaction for Standard Door Closer, American Door Closer, Door Closer Placement, With the eternal goal of "continuous quality improvement, customer satisfaction", we are sure that our product quality is stable and reliable and our products are best-selling at home and abroad.
China Double Action Floor Spring Factory – 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 Factory –  D-128 Single Engine Cylinder Floor Spring – Dorrenhaus detail pictures

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

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

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

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


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All we do is always associated with our tenet " Customer first, Trust first, devoting on the food packaging and environmental protection for China Double Action Floor Spring Factory – D-128 Single Engine Cylinder Floor Spring – Dorrenhaus , The product will supply to all over the world, such as: Indonesia, Latvia, Yemen, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.
  • The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
    5 Stars By Marcia from Qatar - 2017.06.29 18:55
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Hannah from Hungary - 2017.08.15 12:36
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