gas spring door closer

Performance: The product structural design reasonable, advanced technology, great appearance. Compare with the other door closers which use the mechanical spring and principle of Hydraulics, it has strong elasticity, small volume, easy to fit, quckly, small resistance to open door, work steady reliably, having long service life. During close the door, it can close the door ly and lock quickly. Ensure safety to lock the door. Working temperature: in -40 degrees ~ 80 environment for long-term use above 300000 times Color standard: , silver, white, bronze and so on. It also could change the color according to the require.
gas spring door closer