Ngeminyaka yamava ekuveliseni i -4 i-leg lifting sling , Lishenflex inokubonelela uluhlu olubanzi lwe- 4 ukuphakamisa umlenze we-sling . 4 ukuphakamisa umlenze we-sling ungahlangabezana nezicelo ezininzi, ukuba ufuna, nceda ufumane inkonzo yethu ye-intanethi ngexesha elifanelekileyo malunga ne -4 umlenze wokuphakamisa umlenze . Ukongeza kuluhlu lwemveliso olungezantsi, unokwenza ngokwezifiso isilingi sakho esikhethekileyo sokuphakamisa umlenze we-4 ngokweemfuno zakho ezithile.