Nature of business Nks-kemipumpar, reliable supplier of excentric screw pumps and associated equipment for paper & pulp, chemical, oil industries, water and waste water plants, biogas plants. Chopper pumps and mixing systems for biogas and WWTP digesters. Dosing pumps and complete chemical preparation systems, lime, polymer, glue preparation systems. Gear pumps for toxic, flammable and aggresive chemicals. Gear pumps for oils, dry sump lubrication for engines.