PP-K4860 Uas yog tsim los ntawm Tuam Tshoj Zog Group Ningxia Coal Industry Co., Ltd, raws li NTH's Novolen roj-theem polypropylene thev naus laus zis. Cov khoom no yog tsim nrog polymerized propylene thiab ethylene ua cov khoom siv raw tseem ceeb, Nyob rau hauv qhov kev ua ntawm ib tug catalyst, los ntawm cov txheej txheem ntawm polymerization, sib cais, granulation, ntim, thiab lwm yam.