1. it's a screw pump casting 2. material is bronze 3. weight:15kg-1000kg 1. it's a screw pump casting2. material is bronze3. weight:15kg-1000kg4. final user in Germany. 5. casting make techinic : resin sand6. pattern type: alluminum pattern with iron bottom plates7. core box type: iron core boxes which could be heated8. iron melting with: electric furnace9. material chemical assurance : ...