... these fields:1. Power generations: induced draft fans, condensate pumps, water supply pumps, etc2. Metal: dusting fans, furnace fans, oxygen ... productions, etc3. Petrochemical and chemical; oil transfer pumps, compressors, pumps, etc4.Mining: mortar pumps, fans, etc5. City construction: water supply ... etcIn the above industries, large power fans and pumps' applying of the HARSVERT-A series of medium ...