I-PP-K4860 Ekhiqizwa yi-China Energy Group Ningxia Coal Industry Co., Ltd, ngokusekelwe kubuchwepheshe be-Novolen gas-phase polypropylene ye-NTH. Umkhiqizo ukhiqizwa nge-polymerized propylene kanye ne-ethylene njengezinto eziyinhloko zokusetshenziswa, Ngaphansi kwesenzo se-catalyst, ngenqubo ye-polymerization, ukuhlukaniswa, i-granulation, ukupakishwa, njll.