PP-K4860 Wanda China Energy Group Ningxia Coal Industry Co., Ltd ke samarwa, bisa ga fasahar Novolen gas-phase polypropylene ta NTH. Ana samar da samfurin da polymerized propylene da ethylene a matsayin babban kayan albarkatun ƙasa, ƙarƙashin aikin mai kara kuzari, ta hanyar tsarin polymerization, rabuwa, granulation, marufi, da sauransu.