1. The product base of IS O9001 quality certification.
2. The high-qualified aluminum alloy casted body and precisely sealing can avoid oil leakage.
3. Two hydraulic pressure valves control two sections of door closing separately.
4. Life cycle: 500,000 times.
5. Pass CE certificate.
6. 5 Years Warrenty.
21 years of hardware manufacturing experience.
Can customized any size and color.
We boast our own R & D, production, exports, and logistics team.
1. High Quality Control With ISO9001.
2. More than 10 Years of hardware manufacturing experience whose products exported to all over the world.
3. OEM&ODM services available, welcome to visit our factory or show room before you place an order.
4. Provide detailed production process and installation drawings.
5. We have our own Workshops, such as die casting workshops, punch , drill holes, assembly workshops and warehouse.
6. PMC Product Material Control; QC Material stock test, Semi-finished test control and finished products final test.
The door's closing speed can be controlled with
these screw holes
The arm's length can be adjusted. Use rivet to fix
the machine with door.
Guangdong Factory Speed Hydraulic 60 Kg Door Closer KD-938
Commercial Use Bottom Hinge Bearing Door Closer KD-061
Gudangdong Gaoyi Building Materials Science and Technology Co., Ltd.
We are always providing our customers with reliable products and considerate services.
If you would like to keep touch with us directly, please go to contact us