PP-K4860 E hlahisoang ke China Energy Group Ningxia Coal Industry Co., Ltd, e ipapisitse le theknoloji ea NTH's Novolen gas-phase polypropylene.Sehlahisoa se hlahisoa ka polymerized propylene le ethylene joalo ka thepa e ka sehloohong e tala, Tlas'a ts'ebetso ea sesebelisoa, ka mokhoa oa polymerization, karohano, granulation, ho paka, joalo-joalo.