3D Invisible hydraulic door closer soft close door close system HG131

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Material:	7 series aviation aluminum
Color:	Anodizing
Loading:	100KG
Opening angle:	125 degrees
Door width:	≤1000mm

Ingenious and kinematics design
100kg high loading bearing
7 series aviation aluminum body.
55HRC hardness alloy structural steel piston
Four-way locking of fasteners to prevent loosening
Anti-falling with double guide design.
180 viscosity, -50°C Working test. Imported antifreeze and antiwear hydraulic oil
500,000 times fatigue resistance test, transmission connection with manganese steel
Anti-corrosion and anti-rust, scratch-resistant surface technology
Applicable to all kinds of wooden doors, plastic steel doors, invisible doors.