Mingca, e thehiloeng ka 1990, e bileng moetsi oa filimi ea polyolefin shrink le mechini e amanang le eona e kopanyang R&D, tlhahiso, thekiso le tšebeletso ea kamora thekiso. Re ikhethile tlhahisong ea lifilimi tsa shrink le mekotla ea shrink, re na le boiphihlelo ba lilemo tse fetang 30 lefapheng la liphutheloana tsa polasetiki. Khamphani ea rona e akaretsa sebaka sa limithara tse lisekoere tse 20,000 'me e na le mela e mengata e tsoetseng pele ea tlhahiso le basebetsi ba litsebi ba botekgeniki. Ka tlhahiso ea selemo le selemo ea lithane tse fetang 10,000, re moetsi oa lifilimi tsa shrink tsa polyolefin oa litsebi Chaena.