A cylinder type door closer manufactured by our company is extensively applicable to not only a small-sized door but also a large-sized door, is more excellent in the outward appearance, shape, performance and structure than the existing products,and is a unique patented product capable of being provided by our company.

   1.  Introduction of epoch-making door closer (automatically door closing device)    

   2.  Door closer of a new concept obtained a patent right as a result

       of study and development for several years

    3.  It is very easy to install, and so, even a beginner can install it.

    4.  applicable to not only a small-sized door but also a large-sized door

    5.  You can easily adjust a power and a speed for closing the door  in a state

        where this product is installed

    ※.  It is pending for international patent.(acquired patent in USA)