Mu myaka ya vuba aha, iterambere ry'inganda za PVC ryinjiye mu buryo budasobanutse neza hagati y'ibitangwa n'ibikenewe. Ingendo z'inganda za PVC mu Bushinwa zishobora kugabanywamo ibice bitatu. 1.2008-2013 Igihe cyo gukura vuba cyane kw'ubushobozi bw'inganda mu musaruro. 2.2014-2016 igihe cyo gukuraho ubushobozi bw'umusaruro 2014-2016 igihe cyo gukuraho ubushobozi bw'umusaruro 3.2017 kugeza ubu, uburinganire buke hagati y'ibitangwa n'ibikenewe.
