Ubwoko bwose bwa SJP extruders isosiyete yacu ishushanya cyane cyane kubyara umuyoboro wa PVC, urupapuro rwerekana umwirondoro hamwe nisahani, abadusohora barashobora gusezeranya plastike nziza, ubushobozi buhanitse no kugenzura amashanyarazi agezweho, kandi akabati k’amashanyarazi karashobora gutorwa nabakiriya ukurikije ibyo babisabye. .