Mumakore achangopfuura, kusimudzira kweindasitiri yePVC kwakapinda muyero isina kusimba pakati pekupa uye kudiwa. China yePVC indasitiri kutenderera inogona kukamurwa kuita matanho matatu. 1.2008-2013 Yakakwira-yekukurumidza kukura nguva yeindasitiri yekugadzira kugona. 2.2014-2016 kugadzirwa kwemaitiro ekubvisa nguva2014-2016 kugadzirwa kwemaitiro ekubvisa nguva 3.2017 kusvika panguva ino yekugadzira chiyero nguva, isina kusimba pakati pekupa uye kudiwa.
