I-PP-K4860 Ekhiqizwa yi-China Energy Group Ningxia Coal Industry Co., Ltd, esekelwe kubuchwepheshe be-NTH's Novolen gas-phase polypropylene technology.Umkhiqizo ukhiqizwa nge-polymerized propylene kanye ne-ethylene njengento eyinhloko eluhlaza,Ngaphansi kwesenzo se-catalyst, ngenqubo ye-polymerization, ukuhlukaniswa, i-granulation, ukupakisha, njll.