Ezimbonini eziningi, ukusetshenziswa kwama-hydrocarbon resins sekuyingxenye ebalulekile yokusebenza kwazo.Le nto eguquguqukayo inezinhlobonhlobo zezinhlelo zokusebenza ezihlanganisa okunamathelayo, okokunamathela, oyinki nama-sealants.Njengomkhiqizi ohamba phambili wama-hydrocarbon resins, i-Tangshan Sail ...
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