PP-K4860 Ewo ni iṣelọpọ nipasẹ China Energy Group Ningxia Coal Industry Co., Ltd, ti o da lori imọ-ẹrọ NTH's Novolen gaasi-phase polypropylene.Ọja naa jẹ iṣelọpọ pẹlu propylene polymerized ati ethylene gẹgẹbi ohun elo aise akọkọ, Labẹ iṣẹ ti ayase, nipasẹ awọn ilana ti polymerization, Iyapa, granulation, apoti, ati be be lo.