DUWAR d.o.o., Koprivnica, based on market research, Koprivnica has developed a program of dosing pumps and devices and accompanying fittings, which meets the needs of dosing liquids in supply quantities up to 3000 l / h and operate in pressure regimes up to 500 bar. Dosing pumps are made of materials selected to meet the chemical and mechanical requirements for dosing a particular liquid as well as temperature limits from -20 to +150 C.