タイトルまたは説明

1.***2AW,***3AW ***4AW closers, which can be installed in the door frame, 2.They have transfered speed valve each from head to foot,both left/right-hand are suitable. 3.***2AW,***3AW ***4AW,The ones that has closing and latching two sections functions. 4.***2AW,***3AW ***4AW door closers are the slippery rail type which are installed,and stopped in the slippery rail. 5.Door device , stopping the angle on the door can be regulated at will. 6.There are two kinds material for conceal door closer,one the aluminum die casting,the other is aluminum alloy cutting