Pump machines, namely, electric wastewater pumps, electric water pumps, wastewater pumps, electric pressure boosting pumps, slurry pumps, drainage pumps, sewage lifting pumps, circulating pumps for cooling and heating fluid, sewage pumps, submersible pumps, centrifugal pumps, condensate pumps, electric explosion-proof pumps, electric oil and chemical pumps for handling aggressive, toxic, explosive, valuable, inflammable, malodorous, and harmful liquids; pump units, namely, units consisting of...