Polyurethane / polyurea ẹrọ ti n ṣatunṣe ẹrọ, ohun elo naa dara fun idabobo ti o gbona, mabomire, egboogi-ipata, fifun, bbl Polyurethane spraying nilo lati ṣee ṣe ni ọpọlọpọ awọn aaye.Aigbekele ọpọlọpọ eniyan ti rii ilana ikole ti spraying polyurethane, ṣugbọn wọn jẹ ...
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