Produced by a superior aluminum alloy, with high quality internal pinion shaft and piston after heat treatment, this door closer can resist the extreme internal hydraulic pressures with the top quality sealing parts in opening and closing.This remarkable design ensures that the long life using and stable for operation, Multi-function design in order to satisfy different customer requriements on door closing,keep the door smooth opening and closing in a stable way with this automatic door closer which saves you the time to get the door closed.All the products are go through tough testing and checking to ensure its safety, The pressure and speed which the door closes can also be masterfully controlled with adjustable valve screw and easy to adjust the pressures.Miricco Hardware is mainly produce all kinds of house-ware, including sanitary hardware,construction hardware,furniture hardware etc. for 20 years, with advancing design and excellent quality control, our product sell to over 60 countries all over the world, we dedicate to provide the best product for millions of customer with integrity.
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