Ko te PP-2500HY i hangaia e te China Energy Group Ningxia Coal Industry Co., Ltd, i runga i te hangarau polypropylene hau-wāhanga Novolen a NTH. Ka hangaia te hua me te propylene polymerized me te ethylene hei rauemi mata matua, i raro i te mahi a te whakakorikori, mā te tukanga polymerization, wehenga, granulation, takai, me ētahi atu.