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

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With a positive and progressive attitude to customer's curiosity, our organization repeatedly improves our products top quality to meet the wants of consumers and further focuses on safety, reliability, environmental necessities, and innovation of Commercial Automatic Door Opener, House Door Closer, Door Closers, We have been in procedure for more than 10 years. We're dedicated to excellent solutions and consumer aid. We invite you to definitely pay a visit to our business for a personalized tour and advanced small business guidance.
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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"Control the standard by the details, show the power by quality". Our firm has strived to establish a extremely efficient and stable employees crew and explored an effective excellent command method 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: South Africa, Kazakhstan, South Korea, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.
  • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Lulu from Slovakia - 2017.05.21 12:31
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Mildred from Benin - 2018.12.25 12:43
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