¡ñThe important sealing elements are
imported from Japan;
¡ñType PP cushion sealing elements are
applied which enjoy the following advantages:
a. In possession of the functions of
non-return valve with quick start-up
speed of the cylinder;
b. In possession of the
function of self-centering with excellent
cushion effect and stead cylinder operation
which has avoided the up-down movements
of piston rod at the end of traveled
distance caused by eccentricity;
