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Kuyambira Novembala 12 mpaka Novembara 13, 2020, Msonkhano Wapachaka wa China wa China Polyurethane Viwanda Association udachitikira ku Suzhou. Yantai linghua new material Co., Ltd. anaitanidwa ku msonkhano wapachaka. Msonkhano wapachakawu udasinthana zaukadaulo waposachedwa komanso zambiri zamsika za ...Werengani zambiri -
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Mu 1958, Goodrich Chemical Company (yomwe tsopano ikutchedwa Lubrizol) inalembetsa mtundu wa TPU Estane koyamba. Pazaka 40 zapitazi, pakhala pali mayina opitilira 20 padziko lonse lapansi, ndipo mtundu uliwonse uli ndi zinthu zingapo. Pakadali pano, opanga zinthu za TPU akuphatikizapo ...Werengani zambiri
