Ukusetshenziswa okuyinhloko kwempahla entsha ye-polyurethane Kulezi zinsuku, i-polyurethane insulation material yaziwa yiwo wonke umuntu njenge-insulation material, ikakhulukazi esetshenziselwa ukufakwa odongeni, ukufaka amapayipi izindawo ezimbili ezinkulu, njengamapayipi kawoyela, amapayipi egesi kanye nokufakwa odongeni lwendlu.Polyurethane insulation steel p...
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