ʻO PP-2500HY ka mea i hana ʻia e China Energy Group Ningxia Coal Industry Co., Ltd,ma muli o ka NTH's Novolen gas-phase polypropylene technology.Hoʻopuka ʻia ka huahana me ka polymerized propylene a me ka ethylene ma ke ʻano he kumu kumu, Ma lalo o ka hana a ka catalyst, ma o ke kaʻina hana o ka polymerization, kaʻawale, granulation, packaging, etc.