PP-K4860 Yopangidwa ndi China Energy Group Ningxia Coal Industry Co., Ltd, kutengera ukadaulo wa NTH's Novolen gas-phase polypropylene. Chogulitsachi chimapangidwa ndi polymerized propylene ndi ethylene ngati zinthu zazikulu zopangira, Mothandizidwa ndi chothandizira, kudzera mu njira ya polymerization, leating, granulation, packaging, ndi zina zotero.