PE: Mitengo yemusika wepolyethylene yakawanda yakakwira, uye gadziriso yerudzi i50-150 yuan/ton.Iwo ekare-fekitari mitengo yemabhizinesi yakasimudzwa zvishoma, ichifambiswa nepamusoro-soro mafuta asina kuchena uye disk inokwira, ichangoburwa macro rutsigiro uye kuderera kwepetroki ...
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