PP-2500HY Eyi ti o jẹ iṣelọpọ nipasẹ China Energy Group Ningxia Coal Industry Co., Ltd,da lori NTH ká Novolen gaasi-phase polypropylene technology.The ọja ti wa ni produced pẹlu polymerized propylene ati ethylene bi awọn ifilelẹ ti awọn aise ohun elo,Labẹ awọn iṣẹ ti a ayase,nipasẹ awọn ilana ti polymerization, Iyapa, granulation, apoti, ati be be lo.