...................................................................................................................................................................................................................................................
S8120 是采用304不銹鋼經(jīng)過精心打磨而成,滑輪是采用304不銹鋼精制而成,滑動(dòng)順暢無聲音,壽命長,永不脫軌,安全性能特好。銷量都是好.特別受消費(fèi)者的青睞.