China petroleum and chemical co., LTD., Qilu bazi mapurasitiki fekitori yakavambwa muna Chikumi 1992, iri kugadzirwa kwepololefin resin yakavakirwa hombe petrochemical bhizinesi Iyo fekitori yepurasitiki ine huwandu hweseti matanhatu ezvigadzirwa zvekugadzira, ine mazana maviri matani / gore polyethylene experiment cent...
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