Lilemong tsa morao tjena, nts'etsopele ea indasteri ea PVC e kene tekano e fokolang pakeng tsa phepelo le tlhokahalo. Potoloho ea indasteri ea China ea PVC e ka aroloa ka mekhahlelo e meraro. 1.2008-2013 Nako ea kholo e phahameng ea matla a tlhahiso ea indasteri. 2.2014-2016 tlhahiso ea tlhahiso ea ho tlosoa ha nako2014-2016 nako ea ho tlosoa ha bokhoni ba tlhahiso ea 3.2017 ho isa nakong ea hona joale ea tekanyo ea tlhahiso ea lihlahisoa, ho leka-lekana ho fokolang pakeng tsa phepelo le tlhokahalo.
