Zipangizo zapadenga za WENRUN PVC (polyvinyl chloride) zapereka chitetezo chodalirika komanso magwiridwe antchito otsimikizika, zomwe zimapangitsa kukhala chisankho chodziwika bwino komanso chachuma pakati pa alangizi ndi owunikira padenga.Kukana kwa PVC ku mankhwala, mafuta, moto, ndi ma punctures kumapangitsa kukhala chisankho choyenera panyumba zosiyanasiyana.