1. Tus nqi tiam sis Raws li cov ntaub ntawv soj ntsuam los ntawm cov koom haum ua lag luam, qhov chaw ua lag luam ntawm PVC (6389, 21.00, 0.33%) nyob rau lub Ob Hlis poob thawj zaug thiab tom qab ntawd sawv, thiab tag nrho cov kev poob qis yog me ntsis poob.Lub Ob Hlis 1st, tus nqi nruab nrab hauv tsev PVC yog 6350 yuan / tuj, thiab tus nqi nruab nrab ntawm 6310 yuan / t ...
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